问题
选择题
My sister _ go to bed my mother came back last night. [ ]
A. not, until
B. doesn't; until
C. didn't; until
D. aren't, until
答案
答案：C
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My sister _ go to bed my mother came back last night. [ ]
A. not, until
B. doesn't; until
C. didn't; until
D. aren't, until
答案：C