31.The teacher that his students had difficulty in English grammar, decided to give them more examples. A.knows B.to know C.knowing D.being known 查看更多

 

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The teacher        that his students had difficulty in English grammar, decided to give them more examples.

         A.knows         B.to know    C.knowing     D.being known

 

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The teacher        that his students had difficulty in English grammar, decided to give them more examples.

       A.knows      B.to know   C.knowing   D.being known

查看答案和解析>>


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