The telephone __________，but by the time I got indoors, it stopped.
| A．had rung | B．was ringing |
| C．rings | D．has rung |
— Has Tom finished writing his essay today?
— I have no idea. He ______ it this morning.
| A．wrote | B．has written | C．was writing | D．had written |
— Mum, would you please buy me an MP5 player?
— If you can help do some housework the whole vacation，you ____ have one as a reward.
| A．must | B．need | C．would | D．shall |
— Lily can’t afford a holiday and this upsets her very much.
— ______, let’s give her a hand .
| A．If ever | B．If so | C．If busy | D．If anything |
_______ medicine works in a human body is a question _______ not everyone can understand fully.
| A．How; that | B．That; which | C．That; which | D．What; that |
The plan to be carried out next month needs _______ among the members of the labor union before _________ .
| A．to discuss, carrying out | B．to be carried out, carried out |
| C．discussing, being carried out | D．discussed, to be carried out |