A computer is so useful a machine we can use everywhere. A. that B. which C. as D. what 选C.本题考查句子结构和关系代词的选用.首先表示认清句子结构.use后面应该接一个及物动词.先行词应该充当宾语.而前面出现so useful不能用that与which来修饰.可以排除.另外.what 不能引导定语从句. 查看更多

 

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.A computer is so useful a machine ________ we can use everywhere.

 A. that   B. which  C. as  D. what

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A computer is so useful a machine ________ we can use everywhere.

 A. that   B. which  C. as  D. what

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A computer is so useful a machine ________ we can use everywhere.

 A. that   B. which  C. as  D. what

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A computer is so useful a machine ________ we can use everywhere.

 A. that   B. which  C. as  D. what

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A computer is so useful a machine ________ we can use everywhere.

 A. that   B. which  C. as  D. what

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