问题
选择题
Lily, _____ you play the piano at such an hour? Our neighbours are all sleeping. [ ]
A. can
B. must
C. do
D. need
答案
答案：B
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Lily, _____ you play the piano at such an hour? Our neighbours are all sleeping. [ ]
A. can
B. must
C. do
D. need
答案：B