—How long are you staying?
—I don’t know．______．
| A．That’s OK | B．Never mind | C．It depends | D．It doesn’t matter |
-----I’ m not good at singing, you know.
-----_________ . It's just for fun.
| A．All right | B．No problem | C．Come on | D．Cheer up |
The prize will go to the writer _____ story shows the most imagination.
| A．that | B．which | C．whose | D．what |
He took more than 200 photographs _____ the earth _____ total.
| A．for; on | B．of; on | C．for; in | D．of; in |
Fruit________several kinds of vitamins , ________ vitamin C.
A. contains; includedB. forms; including
C. forms; containing D. contains; including
-----Did Alan enjoy seeing his old friends yesterday?
----- Yes, he did. He _____ his old friends for a long time.
| A．hadn’t seen | B．didn’t see |
| C．hasn’t seen | D．wouldn’t see |