题目内容
4．-Must I stay at home and take good care of him．No，you ________．（ ）| A． | mustn't | B． | won't | C． | can't | D． | needn't |
分析 --我必须呆在家里照顾他吗？
--不．你不必．
解答 答案：D．
根据No，可知下面为否定回答，must的含义是必须一定，其否定形式mustn't表示禁止的含义．在这里不是禁止的意思．must的否定回答一般可借助于needn'和don't have to来构成．表不必．故选D．
点评 本题考查了情态动词的用法．注意must的用法以及它的肯否定形式．
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（97）D Being excited about your topic is necessary for all the good speeches，so it's important to choose carefully．If you enjoy your topic，your audience （观众） will，too．Even if you are given a topic，try to find something about it that is exciting or funny．
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Finally，rehearse．You really need to rehearse a lot．Measure your speech with a watch，and practice in front of a mirror （镜子）．（100）A If you have followed all these steps，you should be ready for your audience．Good luck!
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