测试精编

单项选择：

1. Since the first space mission, many communication satellites ________.

A. was launched      B. are launched      C. have been launched      D. had been launched

2. What kind of advice ________ you?

A. has gave      B. was gave      C. had been given to     D. has given

3. The slave ________ from morning till night.

A. madeto work      B. was made working      C. was made worked      D. was made to work

4. The construction of the laboratory ________ by the end of July.

A. must be completing                 B. must complete

C. must have completed                D. must have been completed

5. Your proposal ________ by the committee soon.

A. is discussed                       B. has been discussed

C. is going to be discussed              D. will have been discussed