.Scientists are trying to develop a special material, _______ they will make use of in space.
| A．it | B．that | C．what | D．one |
. Tom as well as his classmates __________ a song when the teacher came into the classroom.
| A．are singing | B．were singing | C．is singing | D．was singing |
. Only when your identity(身份) has been checked, _____________________.
| A．you are allowed in | B．you will be allowed in |
| C．will you allow in | D．will you be allowed in |
Edward, you play so well. But I ________ you played the piano.
| A．didn’t know | B．hadn’t known | C．don’t know | D．haven’t known |
. She would rather ________ the difficult situation in the new neighbourhood than move back.
| A．make good use of | B．set her heart on | C．come to terms with | D．keep in touch with |
----What is your new Chinese teacher like, Mary?
---Oh, ____________________________.
| A．we’re getting along quite well with him |
| B．he likes playing football better than anything else |
| C．he has strange ways to make his classes lively and interesting |
| D．he is a handsome young man in his early thirties |