Jjjjjjjjjjjj A. They have very careful observations.,B. They observe carefully and work hard.,C. They create inventions with simple thinking.,D. They work extremely hard.,Câu 15: What does the word "this" in the first paragraph refer to?,A. The water was pushed out of the bath tub when he stepped in.,B. The steam pushed the lid of the kettle as the water began to boil.,C. Steam engine.,D. James Watt was boiling water at home.,ead the following passage and circle answer A, B, C or D to fill in the gaps.,The Sun is a star which has eight (16) _____ that move around it.,ve moons. The Sun, the eight planets, their moons, and other objects mak,sed on their distances (17) _____the Sun, the eight planets are (18,outer planets. The four inner planets are fairly small and have rocky surfa,aus, Earth and Mars. Beyond Mars is the asteroid belt with millions of,____ the far side of the asteroid belt are the outer planets. They,nus, and Neptune. These four planets are huge and are mostly (20) ___,e thick layers of clouds and rings around them.,16: A. planets B. moons C. objects D.,17: A. on

Question

Timi · Accepted Answer

For question 15, the answer is C. Steam engine.

Here are the answers to the gaps in the passage:

16: A. planets
17: A. on 
17 Alternative: from 
17 Alternative 2: in relation to 
17 Alternative 3: based 
18: A. the inner
18 Alternative: inner
19: D. small rocky objects 
20: D. made