题目内容


Why not          your teacher for help?
A  to ask       B  ask     C  asking     D asks
B

试题分析:固定句型结构why not +动词原形表示为什么不做某事。表示的是一种建议。此句的含义是为什么不向老师寻求帮助呢？固定短语ask sb for help表示向某人寻求帮助的意思，故选B。
点评：此句的关键是考查动词的形式，学生必须记牢why not的后面要跟动词的原形，根据语境选择相应的单词。
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