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题型：单选题题类：模拟题难易度：普通

It's cold outside. Please ___________your coat.

A、put on B、put down C、put away D、put up

举一反三

I want _______a pen _______＄4.

I can find the meaning of new words by _______ in a dictionary.

Our country is taking action to _______ air pollution.

Jim, check your homework before you{#blank#}1{#/blank#} (上交它).

请把这些糖和水混合。

Please {#blank#}1{#/blank#} the sugar {#blank#}2{#/blank#} the water.

我和爸爸在河边搭了一个大帐篷。

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