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In     communication,asmileisusually      strongsignoff...

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問題詳情:

In     communication,asmileisusually      strongsignoff...

In      communication, a smile is usually       strong sign of friendly attitude.

  ,不填       B.a, the      C.不填,a      , a

【回答】

C

知識點:冠詞

題型:選擇題

標籤:strongsignoff