问题
选择题
I ____ go to bed ____ I finished my homework. [ ]
A. didn't, when
B. /, until
C. didn't, until
D. won't, until
答案
答案：C
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I ____ go to bed ____ I finished my homework. [ ]
A. didn't, when
B. /, until
C. didn't, until
D. won't, until
答案：C