To enjoy the scenery, Irene would rather spend long hours on the train ___travel by air.
A．as B．to C．than D．while
The first satellite ____telephone signals was called Early Bird.
A．was used to send B．used to be sent
C．was used to sending D．used to send
How is he now? Is he slowly ____?
A．getting up B．coming up
C．picking up D．rising up
I’ll be going to work on foot while my bicycle_____.
A．is being repaired B．is repaired
C．will repaired D．has been repaired
_____ the watch and see if you can find out what’s wrong with it.
A．Pack up B．Break down
C．Dig out D．Take apart
For some students, the computer serves only _____ a tool that is used to play games.
A．of B．in C．as D．to
