问题
选择题
— __________ you say goodbye so soon?
— I’m sorry. My mother is expecting me at home. [ ]
A. Must
B. Can
C. Would
D. Might
答案
答案：A
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— __________ you say goodbye so soon?
— I’m sorry. My mother is expecting me at home. [ ]
A. Must
B. Can
C. Would
D. Might
答案：A