题目内容
2．-Jenny，we buy Mom presents．We can clean the house from top to bottom．-Good idea!It's a special present for Mother's Day．（ ）
| A． | can't | B． | mustn't | C． | shouldn't | D． | needn't |
分析 --Jenny，我们不必给妈妈买礼物，我们可以从上到下打扫一下房子．
--好主意！这是母亲节的一个特别礼物．
解答 答案：D．
can't不可能；mustn't不可以；shouldn't不应该；needn't不必．根据We can clean the house from top to bottom，可知我们可以从上到下打扫一下房子，所以我们不必给妈妈买礼物．needn't不必．故选D．
点评 本题考查了情态动词的用法．解答时注意区分辨别句意以及所给选项的意思并作出正确选择．
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阅读下面短文，把A-D四个句子填入文中空缺处，使短文内容完整、正确、然后完成第75小题．