Isthisresearchcenter________yousaw

发布时间:2020-07-09 17:25:31

Is this research center ________ you saw the modern equipment last year?













A.which












B.that











C.the one that











D.the one where

网友回答

D解析将疑问句改为陈述句:this research center is…显然缺少先行词,必须加上代词the one来作先行词,又因定语从句不缺主语或宾语,所以用关系副词where。假若在this后加the,就选where,请想想这是为什么。
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