题目内容
5.You needn't write letters to your cousin.You ________ chat with her by QQ instead.( )| A. | must | B. | have to | C. | can |
分析 你没有必要给你的表妹写信,你可以和她通过QQ聊天.
解答 答案:C.must一定,必须;have to不得不;can可以.根据You needn't write letters to your cousin.You ________ chat with her by QQ instead,可知你没有必要和你的表妹写信交流,可以通过QQ聊天.can可以.故选C.
点评 本题考查了情态动词的用法.熟知句意以及所给选项的意思是解答本题的关键.
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