【題目】Studying in groups is necessary _________________ you want to do well in school.

A.ifB.untilC.unlessD.though

【答案】A

【解析】


句意:如果你想在學(xué)校表現(xiàn)好,小組學(xué)習(xí)是必須的。

考查連詞辨析。if如果;until直到……為止;unless除非;though盡管。后面的從句表示條件,用if。故選A。

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