I have written to him because he phoned me shortly afterwards.
| A．ought to | B．must | C．couldn’t | D．needn’t |
The manager suggested an earlier date ____________ the meeting.
| A．on | B．for | C．about | D．with |
Some pre-school children go to a day care center, __________ they learn simple games and songs.
| A．then | B．there | C．while | D．where |
---Have you heard the latest news?
---No, What?
| A． | is it | B． | is there | C． | are they | D． | are those |
_____ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home．
| A．To wait | B．Have waited |
| C．Having waited | D．To have waited |
The library needs _____,but it’ll have to wait until Friday．
| A．cleaning | B．to clean |
| C．being cleaned | D．to being cleaned |