When the spaceship was , I could really feel the high gravity.
| A．lifting off | B．sending away | C．lifting away | D．giving a lift |
Rock-climbing is a breathtaking activity, very popular nationwide among young people,
cooperation as well as courage plays an important role.
| A．who | B．which | C．that | D．where |
Your advice was a great help to us, without which all our efforts .
| A．wouldn’t pay off | B．hadn’t paid off |
| C．wouldn’t have paid off | D．didn’t pay off |
Many memories of old times were by the conversation we had together that evening.
| A．brought up | B．called up | C．kept up | D．set up |
Nearly all the people believe confidence is the key to success.
| A．interviewing | B．having interviewed |
| C．to interview | D．interviewed |
We should consider the students’ request the school library provide more books on popular science.
| A．that | B．when | C．which | D．what |