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Why do you turn to me for help you can easily work out the problem independently?A. until B. whenC.

编辑:chaxungu时间:2026-04-27 03:08:58分类:高中英语题库

【题目】Why do you turn to me for help ______ you can easily work out the problem independently?

A. until B. when

C. after D. unless

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【答案】B

【解析】考查连词辨析。句意:既然你能独立解决这个难题,为什么你向我求助呢?A. until 直到……;B. when考虑到;既然;当……时;C. after在……之后;D. unless除非,如果不。B项符合语境。