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题型：单选题题类：常考题难易度：普通

Mr. Brown buys some pens and notebooks _______.

A、for we B、for us C、to we D、to us

举一反三

The “teacher﹣free exam” means that students take their exams ______ teachers．Students must be more honest．

Mr. Yang is a good teacher, but he is too strict ________ us.

You can send emails {#blank#}1{#/blank#} your teacher. （填介词）

Please have a look _______ the map. It is a map of the world.

找出错误并改正

Helen is never late to school in the morning.

I like my dog very much. It can walk ______________ two legs.

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