问题
选择题
一Bob, shall we go and meet our new classmate?
一Sorry. I'm busy now. But you ________ ask David to go with you. He is free.[ ]
A. need
B. may
C. would
D. must
答案
答案：B
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一Bob, shall we go and meet our new classmate?
一Sorry. I'm busy now. But you ________ ask David to go with you. He is free.[ ]
A. need
B. may
C. would
D. must
答案：B