1. Great changes ______ in China in the past 20 years.

A. took place   B. have taken place   C. were taken place   D. have been taken place

2. The manager meant ____ the workers that being 5 minutes late meant ____ the company.

    A. to tell, to leave    B. telling, leaving    C. to tell, leaving     D. telling, to leave

3. I'm preparing the report for tomorrow's meeting. Would you please _____ the radio a little ?

    A.turn on       B. turn off       C. turn up       D. turn down

4. —Where does your little daughter want to go during her holiday ?

   —She is always looking forward to _____ to the Wu Yi Mountain.

A. take       B. taking      C.being taken        D. b taken

5.We invited her to dinner but she didn't even bother to _______ .

    A. turn in    B. turn up      C. turn on     D. turn down

6. People generally think that smoking is a bad ______ .