题目内容
--- All visitors are waiting outside, Professor Wang. ________ they come in together or separately?
--- Well, one by one.
A. Will B. Can C. Would D. Shall
D

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题目内容
--- All visitors are waiting outside, Professor Wang. ________ they come in together or separately?
--- Well, one by one.
A. Will B. Can C. Would D. Shall
D