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

Can you{#blank#}1{#/blank#}？

After doing my homework for an hour, I felt {#blank#}1{#/blank#} tired.

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