题目内容
---I don’t know _______. Can you help me? ---I think you should calm down and read texts.
A. how to do B. what to do it C. what to do D. when to do
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题目内容
---I don’t know _______. Can you help me? ---I think you should calm down and read texts.
A. how to do B. what to do it C. what to do D. when to do