【題目】We won’t put off having the sports meeting ________ it rains.

A. if B. unless C. when D. while

【答案】B

【解析】試題分析：句意：如果天不下雨，我們將不推遲舉行運(yùn)動(dòng)會(huì)。如果不是unless。故選B。

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