----- Nội dung dịch tự động từ ảnh ----- Ex. 2 Choose the best answer to complete each of the following sentences. 1. She wasn't listening to me at all. Sometimes I think she's living another planet. A. in В. on C. at D. down 2. In 1998 at the age of 77, John Glenn with six other astronauts on the space shuttle after he three orbits around the Earth a long time. A. flew - had made B. had flown - made C. flew – made 3. Experiencing microgravity on a D. was flying – made flight is part of astronaut training programmes. C. mission A. orbit B. ship D. parabolic 4. As soon as the spacecraft_ into space, the crew started to observe the sun. A. has travelled B. had travelled C. travelled 5. When I called on her, Mary_ D. was travelling her room. A. clean B. cleans C. cleaning D. was cleaning ailable