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A computer cannot remember who ,it simply does what . [ ] A.will use it; it was

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A computer cannot remember who ,it simply does what . [ ] A.will use it; it was

A computer cannot remember who_________;it simply does what __________.

[]

A.will use it; it was told

B.uses it; it has told

C.has used it; it was told

D.has used it; it told

试题答案

答案:C

解析:

前一个分句中连接代词who引导一个宾语从句,用现在完成时表示说话以前所做的动作;后一个分句中连接代词what引导一个宾语从句,该从句表示的是说话以前某时所做的具体动作,应用一般过去时.主语是谓语动词动作的承受者应用被动语态.答案为C.