题目内容
【题目】It’s______ comfort to know there’s someone to keep ______eye on the kids.
A. a; the B. a; an
C. /;an D. /;the
【答案】B
【解析】考查冠词,comfort表示泛指,没有特定的指代,故其前用不定代词a.同理eye也表示泛指,其前也用不定代词,因其首字母为元音字母e,故用不定代词an。故选B。

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