问题
选择题
—It's time to go to bed, Li Ping.
—Mum, I have a lot of homework to do, I won't go to bed ________ I finish it. [ ]
A. until
B. since
C. as soon as
D. after
答案
答案：A
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—It's time to go to bed, Li Ping.
—Mum, I have a lot of homework to do, I won't go to bed ________ I finish it. [ ]
A. until
B. since
C. as soon as
D. after
答案：A