{01}I’d like to know the way you succeeded in the experiment. A.to B.in that C.how D.in which 解析: 本题选D。 {02}We must take measures to protect endangered wildlife _______ it is too late. A.now that B.as long as C.unless 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。 本题选D。
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