问题
选择题
Where is Jack ?Sorry, I don’t know. Go and ask his brother.
He _____ know. [ ]
A. can
B. may
C. must
D. need
答案
答案：B
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Where is Jack ?Sorry, I don’t know. Go and ask his brother.
He _____ know. [ ]
A. can
B. may
C. must
D. need
答案：B