题目内容
Doctor Brown says that ________ what forceful arguments against cigarette harm there are, many people insist on smoking.
- A.though
- B.however
- C.no matter
- D.even if
C
B项不能引导一个句子;C常与wh-句子连用;从句意上看此处只能是“无论”,所以C正确。
B项不能引导一个句子;C常与wh-句子连用;从句意上看此处只能是“无论”,所以C正确。
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