Hép me plz mai cô kiểm tra rùi ạ ;-; ai làm nhanh nhất +đúng nhất thì ctlhn nhá .
Thanks trước
1. Neil Armstrong and Buzz Aldrin (collect)________ some moon dust samples
before they (return) _________ to Earth.
2. By the time Yang Liwei (become)________ the first person sent into space
by the Chinese space program in 2003, NASA already (send) ________ over
100 people.
3. After the spaceship Soyuz 37 (be) __________ in orbit around the earth,
Pham Tuan and Viktor Gorbatko (conduct)_________ some experiments.
4. When we (arrive)________ in Kennedy Space Center, the space shuttle
already (launch) ________ into space.
5. Dennis Tito already (complete)_______ 900 hours of training by the time he
(fly) ________into space in 2001.
1. collected/ returned
2. became/ sent
3. was/ conducted
4. arrived/ launched
5. completed/ flew
Chúc bạn học tốt!
1. had collected – returned
2. became – had already sent
3. had been – conducted
4. arrived – had already launched
5. had already completed – flew
@NoCopy