―I don't know to use this machine.―It doesn't matter. Here is the instruction.A. when B. how C. where D. what B [解析] 句意:一我不知道如何使用这台机器.一没关系.这是说明.A. when什么时候,B. how怎样,C. where在哪里,D. what什么.根据语境可知是题目和参考答案——青夏教育精英家教网—

题目内容

―I don't know to use this machine.

―It doesn't matter. Here is the instruction.

A. when B. how C. where D. what

B 【解析】句意：一我不知道如何使用这台机器。一没关系。这是说明。A. when什么时候；B. how怎样；C. where在哪里；D. what什么。根据语境可知是“怎样”之意。故选：B。

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