题目内容
--- Shall we take a bus to the library?
--- It’s not far. I think we________ take a bus. Let’s walk there.
A. mustn’t B. couldn’t
C. can’t D. needn’t
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题目内容
--- Shall we take a bus to the library?
--- It’s not far. I think we________ take a bus. Let’s walk there.
A. mustn’t B. couldn’t
C. can’t D. needn’t