问题
选择题
______ I do my homework first? No, you ______ do it after supper. [ ]
A. Must, can
B. Can, are
C. Must, must
D. Can, must
答案
答案：A
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______ I do my homework first? No, you ______ do it after supper. [ ]
A. Must, can
B. Can, are
C. Must, must
D. Can, must
答案：A