In some parts of the world, tea _______ with milk and sugar.
A.is serving | B.is served | C.serves | D.served |
— Show me your permit, please.
—Oh, it's not in my pocket. It
A.might fall out | B.could fall out |
C.should have fallen out | D.must have fallen out |
We must keep our room clean. Dirt and disease go _____ you know.
A.from time to time | B.hand in hand |
C.step by step | D.one after another |
I tried hard to get some information about the new technology out of his mouth, but he remained____________.
A.quiet | B.secret | C.silent | D.calm |
--Could I use your bike, Jack?
--Of course, you____________.
A.can | B.may | C.could | D.might |
When I tried to find _________that prevented so many people from taking part in the program, it seemed to me that there were two main reasons.
A.why it did | B.that it did | C.what it was | D.why it was |