You must make sure your tea is not too h...

You must make sure your tea is not too hot ______ you drink it.

A. before B. after C. since D. while

A 【解析】试题分析：句意：在喝之前，你必须确保你的茶不太烫。A.before在……之前；B.after在……之后；C.since自从，既然，因为；D.while当，然而。根据语境，应该在喝之前判断茶是不是太烫，若是喝的时候判断，舌头就被烫着了，故选A。【考点定位】考查连词辨析。

考点分析：

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