练习册

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    can加动词的进行时态.也可表示"可能".如: What can he be doing all this time? 他一直会是在干什么呢? She cannot be playing ping-pong now.她现在不可能在打乒乓球. 【查看更多】

     

    题目列表(包括答案和解析)

    用所给动词的正确时态和语态完成下面句子

    Most of the waste metal can _______(put)to use again．

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    用所给动词的正确时态和语态完成下列句子

    Most of the waste metal can ________ (put) to use again.

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    请用所给动词的适当时态填空。

    What ________ you two ________(talk)about?I can't make head or tail of it．

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    用所给动词的正确时态和语态完成下面句子

    In this school English _______(teach)through TV．

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    用所给动词的正确时态和语态完成下面句子

    Computer science _______(teach)now almost in all universities and institutes．

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