Giải hộ mình câu này với các bạnGiải hộ mình câu này với các bạn a. Fill in the blanks with Present Perfect Continuous form of the verbs.,,1. The foreign species _____ (spread) across the country,since January.,2. Recently, insects _____ (come) into homes and buildings.,,3. The number of native fish _____ (decrease) because of the,sea stars.,4. Where _____ these birds _____ (come) from?,5. Human activity _____ (affect) the ecosystem for hundreds,of years.,6. We _____ (put) poison out for the rats, but it isn't working.,b. Write sentences using the prompts in Present Perfect Continuous.,1. people/try/kill/the toads/poison/decades,2. many/native plants/disappear/this year,3. years/we/not/take care/the ecosystem,4. you/plant/seeds/here/long?,5. the rabbits/spread/since/they/be/introduce,6. 1940s/foreign species/damage/local forests,7. insect populations/decrease/for many years

Question

Giải hộ mình câu này với các bạnGiải hộ mình câu này với các bạn a. Fill in the blanks with Present Perfect Continuous form of the verbs.,

,1. The foreign species _____ (spread) across the country,since January.,2. Recently, insects _____ (come) into homes and buildings.,

,3. The number of native fish _____ (decrease) because of the,sea stars.,4. Where _____ these birds _____ (come) from?,5. Human activity _____ (affect) the ecosystem for hundreds,of years.,6. We _____ (put) poison out for the rats, but it isn't working.,b. Write sentences using the prompts in Present Perfect Continuous.,1. people/try/kill/the toads/poison/decades,2. many/native plants/disappear/this year,3. years/we/not/take care/the ecosystem,4. you/plant/seeds/here/long?,5. the rabbits/spread/since/they/be/introduce,6. 1940s/foreign species/damage/local forests,7. insect populations/decrease/for many years

Accepted Answer

{"userId":5294135,"userName":"blee"}

a.

1/ has been spreading

2/ have been coming

3/ has been decreasing

4/ have - been coming

5/ has been affecting

6/ have been putting

Cấu trúc thì hiện tại hoàn thành tiếp diễn: S + have/ has + been + Ving

b.

1/ People have been trying to kill the toads with poison for decades.

2/ Many native plants have been disappearing this year.

3/ For years, we haven't been taking care of the ecosystem.

4/ Have you been planting seeds here for long?

5/ The rabbits have been spreading since they were introduced.

6/ Since the 1940s, the foreign species has been damaging local forests.

7/ Insect populations have been decreasing for many years.