Fromtimetotimeacrocodilehassnatch

发布时间：2020-07-09 18:42:40

From time to time a crocodile has snatched someone ______ he or she is even aware that the crocodile is there.













A.when












B.until











C.since











D.before

网友回答

D解析考查时间状语从句。句意“有时候，在人们意识到有鳄鱼之前，鳄鱼会突然捉住他。”A“当”；B“直到”；C“自从”；D“在......之前”。故选D。
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