---Don’t worry. Your brother is coming to help you.
---________ he doesn’t come?
| A．What about | B．Why not |
| C．What if | D．What for |
Half of the class ___ most of the work . Some of the work ___ really difficult .
| A．have done, is | B．has done, are |
| C．has done, is | D．have done, are |
Now some robots are_______ to do the same things _______ people.
A enough smart; as B．enough smart; for
C．smart enough; as D．smart enough; with
We have two rooms ________, but I can’t decide _________ __.
| A．to live; to choose which one | B．lived; choose which one |
| C．to live in; which one to choose | D．live; which one |
--- He didn’t go to the this morning, did he?
-______. Though he was not feeling very well.
| A．No, he didnt. | B．Yes, he did. |
| C．No, he did. | D．Yes, he didn’t. |
Don‘t you think ____ necessary for friends to trust each other?
| A．that | B．it | C．this | D．those |