题目内容
【题目】Boys and girls, please treat this exam with _______ usual mind. Calm down, and you had better________ your best to get good grades.
A.the, trying
B.a, try
C.an, to try
【答案】B
【解析】句意：男孩们和女孩们，请用平常心对待这次考试。冷静下来，你最好尽你所能去取得好成绩。根据句意，用平常心是泛指，故用不定冠词，usual的首发音不是元音，所以用a；You had better do sth.用动词原形，故选B.
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