题目内容
【题目】One fifth of the work _______ by computer last year.
A. are done B. is done C. were done D. was done
【答案】D
【解析】根据last year确定句子为过去时,由此排除A和B项;当主语由分数修饰时,谓语动词的数要跟其修饰的主要名词在量上一致,work为不可数名词,因此谓语动词为is。
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题目内容
【题目】One fifth of the work _______ by computer last year.
A. are done B. is done C. were done D. was done
【答案】D
【解析】根据last year确定句子为过去时,由此排除A和B项;当主语由分数修饰时,谓语动词的数要跟其修饰的主要名词在量上一致,work为不可数名词,因此谓语动词为is。