Bài này làm sao vậy mọi người

1. There may have been life on Mars,a. after the tree is cut down
"2. As soon as the temperature increases and is
above O'C,",b. before they release it to the environd
3. Greenhouse gases trap some of the planet's heat,c. until it underwent climate change
4. Unplug power cords from the wall,d. the ice begins to melt.
5. How much time do humans have,e. after tornadoes and stonms strike the s
"6. Some tree species aggressively sprout from the
roots even","f. until global warming makes the ?
unliveable?"
7. Searches for victims continue a day,8. until they are at risk of extinction.
8. A small action can make an enormous difference,h. before it escapes into space.
9. Do factories use filters to clean the air,i. when millions of people do it.
10. Some species are not discovered,j. when items aren't in use.

,III.Read and match,

A,B
1. Fire engines,A. metres from my house to the nearest she
2. The bus station,B. cars when you cross the street.
3. Watch out for,C. motorbikes very fast in the rain.
4. We must,D. obey traffic rules for our safety.
"5. If it rains tomorrow,",E. have priority over other vehicles.
6. You have to get,F. we will go there by car.
7. It is about 500,G. promise to obey the laws of Mexico.
8. They had to,H. is far from my house.
9. It is not very far,I. there in time for the train.
10. We shouldn't ride our,"J. from the centre of Ha Noi to Noi Be
Airport."

,IV. Choose the best answer to complete the sentences.,1. America says it _____ until other countries _____ more action.,A. won't act - took B. won't act - take C. doesn't act - will take D. acts don,take,2. _____ you buy and use a plastic bag, ask yourself if you really need it.,A. Before B. When C. While D. After,3. _____ the arrival of humans on Earth, species became extinct naturally.,A. Before B. Since C. After D. As soon as,4. _____ my little cousin saw the tiger in the cage, he cried out.,A. Before B. Since C. When D. Until,5. As soon as we _____ risks of climate change, we all _____ together to fight agains,them.,A. realize - worked B. realized - worked C. realized - work D. will realize - work,6. _____ I get to school, I will show you my writing about the habitat of polar bear.,A. As soon as B. While C. Until D. Till,7. _____ fossil fuels are burnt, they release large amounts of carbon dioxide into the air.,A. Tilf B. Until C. Before D. When,8. Most species don't receive protection _____ their populations reduce to nearly zero.,A. as B. when C. before D. until,9. Until there _____ heavy penalties for environmental violations, many factories disposing,pollutants into the air. D. are - stopped,A. are - won't stop B. will be - will stop C. were - won't stop,66

Question

Bài này làm sao vậy mọi người

1. There may have been life on Mars,a. after the tree is cut down
"2. As soon as the temperature increases and is 
 above O&#x27;C,",b. before they release it to the environd
3. Greenhouse gases trap some of the planet&#x27;s heat,c. until it underwent climate change
4. Unplug power cords from the wall,d. the ice begins to melt.
5. How much time do humans have,e. after tornadoes and stonms strike the s
"6. Some tree species aggressively sprout from the 
 roots even","f. until global warming makes the ? 
 unliveable?"
7. Searches for victims continue a day,8. until they are at risk of extinction.
8. A small action can make an enormous difference,h. before it escapes into space.
9. Do factories use filters to clean the air,i. when millions of people do it.
10. Some species are not discovered,j. when items aren&#x27;t in use.

,III.Read and match,

A,B
1. Fire engines,A. metres from my house to the nearest she
2. The bus station,B. cars when you cross the street.
3. Watch out for,C. motorbikes very fast in the rain.
4. We must,D. obey traffic rules for our safety.
"5. If it rains tomorrow,",E. have priority over other vehicles.
6. You have to get,F. we will go there by car.
7. It is about 500,G. promise to obey the laws of Mexico.
8. They had to,H. is far from my house.
9. It is not very far,I. there in time for the train.
10. We shouldn&#x27;t ride our,"J. from the centre of Ha Noi to Noi Be 
 Airport."

,IV. Choose the best answer to complete the sentences.,1. America says it _____ until other countries _____ more action.,A. won&#x27;t act - took B. won&#x27;t act - take C. doesn&#x27;t act - will take D. acts don,take,2. _____ you buy and use a plastic bag, ask yourself if you really need it.,A. Before B. When C. While D. After,3. _____ the arrival of humans on Earth, species became extinct naturally.,A. Before B. Since C. After D. As soon as,4. _____ my little cousin saw the tiger in the cage, he cried out.,A. Before B. Since C. When D. Until,5. As soon as we _____ risks of climate change, we all _____ together to fight agains,them.,A. realize - worked B. realized - worked C. realized - work D. will realize - work,6. _____ I get to school, I will show you my writing about the habitat of polar bear.,A. As soon as B. While C. Until D. Till,7. _____ fossil fuels are burnt, they release large amounts of carbon dioxide into the air.,A. Tilf B. Until C. Before D. When,8. Most species don&#x27;t receive protection _____ their populations reduce to nearly zero.,A. as B. when C. before D. until,9. Until there _____ heavy penalties for environmental violations, many factories disposing,pollutants into the air. D. are - stopped,A. are - won&#x27;t stop B. will be - will stop C. were - won&#x27;t stop,66

Accepted Answer

Here are the answers to your matching exercise:

1. c. until it underwent climate change
2. d. the ice begins to melt.
3. b. before they release it to the environment
4. j. when items aren&#x27;t in use.
5. f. until global warming makes the area unliveable?
6. a. after the tree is cut down
7. e. after tornadoes and storms strike the area
8. h. before it escapes into space.
9. b. before they release it to the environment
10. i. when millions of people do it

Here are the matched answers:

1. Fire engines, E. have priority over other vehicles.
2. The bus station, H. is far from my house.
3. Watch out for, C. motorbikes very fast in the rain.
4. We must, D. obey traffic rules for our safety.
5. If it rains tomorrow, F. we will go there by car.
6. You have to get, I. there in time for the train.
7. It is about 500, J. from the centre of Ha Noi to Noi Bai Airport.
8. They had to, G. promise to obey the laws of Mexico.
9. It is not very far, A. metres from my house to the nearest she (Note: It seems there is an error in the question. The correct match might be &#x27;metres from my house to the nearest street&#x27; or &#x27;metres from my house to the nearest she - the nearest street&#x27;. Please adjust the question accordingly)
10. We shouldn&#x27;t ride our, B. cars when you cross the street.

Here are the answers to the sentences:

1. A. won&#x27;t act - took
2. A. Before
3. A. Before
4. C. When
5. C. realized - work
6. A. As soon as
7. D. When
8. D. until
9. D. are - won&#x27;t stop