everybody knows about it, I don't want to talk any more.A.ForB.EvenC.SinceD.Howe
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______ everybody knows about it, I don't want to talk any more.
A.For
B.Even
C.Since
D.However
试题答案
C
since 引导原因状语从句。for 是并列连词，所引导的句子必须放在主句的后面，附带说明理由。even 是副词，不能和 I don't want to talk any more 构成复合句。however 后接形容词，引导让步状语从句。