题目内容

14．You            afraid of doing homework．You know，it's easy．Just be careful．（　　）
A．don't have toB．have to be
C．don't haveD．don't have to be

分析 你不必担心做家庭作业．你知道，它是很简单的，只要你细致些．

解答 正确答案：D．have to表示必须，不得不，其否定式是don't have to，表示不必．根据it is easy．Just be careful．可知家庭作业并不难，只要细致就可以做好，所以不必担心作业，故选择D．be afraid of doing sth．表示害怕/担心做某事．

点评 本题考查情态动词have to，基础题，掌握其基本用法，根据题干即可作出选择．

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