Question

【题目】选词填空

must, should, ought(nt)to, don't, have to, couldn't, mustn't, needn't, have to

（1）You go on working because you look so tired now.
（2）Li Hua pass an examination before he can start work.
（3）You come to the meeting if you're too busy.
（4）You play now! You shall finish your homework first!
（5）I know things are hard with you, but you try to get over the difficulties.
（6）I didn't see her at the meeting this morning; she have spoken at the meeting.
（7）You imagine what difficulty we had walking home in the snowstorm.
（8）The weather turned out to be fine yesterday. I have taken the trouble to carry my umbrella with me.
（9）You follow the doctor's advice. I think it will do good to you.
（10）I have phoned Ed this morning，but I forgot.

Answer 1

【答案】
（1）shouldn't/oughtn't to
（2）has to
（3）needn't/don't have to
（4）mustn't
（5）must
（6）couldn't/can't
（7）can't
（8）needn't
（9）should/ought to
（10）should/ought to
【解析】（1）句意：你不应该再继续工作，因为你现在看起来很累。根据句意可知，此处表示＂不应该＂，所以填shouldn't/oughtn't to。
（2）句意：李华在他开始工作之前，必须通过一个考试。根据句意可知，此处表示客观上的＂不得不＂，所以填has to。
（3）句意：如果你太忙，你就不必参加这次会议了。根据句意可知，此处表示＂不需要＂，所以填needn't/don't have to。
（4）句意：你现在不能玩，你应该首先完成你的家庭作业。根据句意可知，此处表示＂禁止＂，所以填mustn't。
（5）句意：我知道你生活不易，但你必须努力克服这些困难。根据句意可知，此处表示主观上的＂必须，应该＂，所以填must。
（6）句意：在今天早上的会上我没看见她，她不可能在会上发言了。根据句意可知，此处表示否定的推测，所以填couldn't/can't。
（7）句意：你不能想象，在暴风雪中走回家时我们遇到了什么困难。根据句意可知，此处表示＂不能＂。所以填can't。
（8）句意：结果昨天的天气很好，我本不必麻烦着带一把伞。根据句意可知，表示＂本不需要做某事，而做了＂，要用needn't have done，所以填needn't。
（9）句意：你应该听医生的建议。我想那对你有好处。根据句意可知，此处用should和ought to都可以，所以填should/ought to。
（10）句意：今天上午我本该给Ed打电话，但是我忘了。根据句意可知，表示＂本应该做某事而没有做＂，要用should/ought to have done，所以填should/ought to。