Dennis Tito already (complete)_______ 900 hours of training by the time he (fly) ________into space in 2001.
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Bài 1 :Put the verbs in brackets in the past simple tense os past perfect tense
1. Neil Armstrong and Buzz Aldrin (collect)......had collected.............. some moon dust samples before they (return)....returned......... to Earth.
2. By the time Yang Liwei (become)........became......... the first person sent into space by the Chinese space program in 2003, NASA had already (send)........sent............ over 100 people.
3. After the spaceship Soyuz 37 (be).......had been...... in orbit around the earth, Pham Tuan and Viktor Gorbatko (conduct)........conducted...........some experiments.
4. When we (arrive)...............arrived...... in Kennedy Space Center, the space shuttle had already (launch)....been launched............. into space.
5. Dennis Tito had already (complete).......completed........ 900 hours of training by the time he (fly).........flew......into space in 2001.
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Đáp án: When Anousheh Ansari travelled into space as a tourist in 2006, Dennis Tito had become the first space tourist in 2001
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Question 37. Dennis Tito was an American millionaire. He became the first space tourist after 900 hours of training. (who)
=> Dennis Tito who became the first space tourist after 900 hour of training was an American millionaire.
Question 38. He is performing well at school. He does not know what he will choose as his future career. (Despite)
=> Despite his good performance, he does not know what he will choose as his future career.
Question 39.After he had graduated from university, he went abroad to work. (Having)
=> After having graduated from university, he went aboard to work.
Question 40. The quality of life of people in the countryside has also been improved significantly. (significant)
=> There has been a significant improvement in the quality of life people in the countryside.
Question 37. Dennis Tito was an American millionaire. He became the first space tourist after 900 hours of training. (who)
=> Dennis Tito who became the first space tourist after 900 hour of training was an American millionaire.
Question 38. He is performing well at school. He does not know what he will choose as his future career. (Despite)
=> Despite his good performance, he does not know what he will choose as his future career.
Question 39.After he had graduated from university, he went abroad to work. (Having)
=> After having graduated from university, he went aboard to work.
Question 40. The quality of life of people in the countryside has also been improved significantly. (significant)
=> There has been a significant improvement in the quality of life people in the countryside
Đáp án: had already completed – flew