Thisis______difficultproblemthatfew

发布时间:2020-07-12 01:22:41

This is ______difficult problem that few students can work it out.












A.so











B.so a










C.such










D.such a

网友回答

D解析so或such……that表示如此……以致的意思,so后跟形容词或副词,而such后跟名词,可数名词单数需加不定冠词a或an,本题的problem是可数名词单数,故填such a,故本题选D。
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