You won’t succeed_____harder.
| A．unless you will work | B．unless you work |
| C．unless you don’t work | D．if you won’t work |
I was really anxious about you. You _______ home without a word．
| A．mustn’t leave | B．shouldn’t have left |
| C．couldn’t have left | D．needn’t leave |
The number of people invited ___fifty, but a number of them____ absent fordifferent reasons．
| A．were; was | B．was; was | C．was; were | D．were; were. |
They were arguing _____each other _____ the cause of SARS．
| A．about; with | B．to; about | C．with; to | D．with; about |
-----Hello, come in．．
-----Thank you．
| A．All right | B．Make yourself at home |
| C．That’s my home | D．It’s a great honor |
A group of soldiers went into the woods _______ the missing pilot.
| A．search for | B．in search of | C．searched for | D．searched of |