问题
选择题
—Where is Tom？
—I am not sure. He_____ be playing football on the playground. [ ]
A. need
B. may
C. can
D. should
答案
答案：B
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—Where is Tom？
—I am not sure. He_____ be playing football on the playground. [ ]
A. need
B. may
C. can
D. should
答案：B