问题
选择题
—_______ he be at home now?
—Yes, he must. The light is on.[ ]
A. Must
B. Can
C. Does
D. Could
答案
答案：B
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—_______ he be at home now?
—Yes, he must. The light is on.[ ]
A. Must
B. Can
C. Does
D. Could
答案：B