-There____a number of students in our school.The number of them_____over 1000.
| A．is,are | B．are,are |
| C．are,is | D．is,is |
This was a serious problem. The manager _____ and made the decision.
A. thought them over
B.thought it over
C. thought over it
It took us ____ to finish the new work.
A. three hour and a half
B. three and a half hour
C. three and a half hours
Your penpal is _______ hearing from you.
A. listening to
B. looking forward to
C. hoping to
If people ______ the traffic rules, there will be fewer accidents.
A. will obey B. obey C. obeys
— We’ll go on a ______ visit to Mount Wuyi this weekend.
— Have a good time.
A. two days B. two-day C. two-days