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题型：单选题题类：模拟题难易度：普通

The class teacher came up and put a jacket _____ the boy to prevent him from catching a cold .

A、by B、with C、 off D、over

举一反三

Come on, children! Help _____ some chicken.

Thanks a lot for the _______to your party.

It the workers about nine years to build the railroad.

The students always spend as much time as they can{#blank#}1{#/blank#}(prepare)for the final exams.

并且在你开始之前，你应该朝她微笑！

And before you begin, you {#blank#}1{#/blank#} her!

用方框中所给词语的适当形式填空，每词仅用一次。

use, most, collect, scientist, interested in

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