We must take measures to protect endangered wildlife it is too late.A. now thatB. as long

发布时间：2020-08-17 14:37:33

We must take measures to protect endangered wildlife      it is too late.
A. now that
B. as long as
C. unless
D. before

网友回答

A. now that
B. as long as
C. unless
(答案→)D. before
解析：本题易误选C。后空意思“趁不太晚的时候”，before符合句意。
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