问题
选择题
— May I go and play with Dick this afternoon, Mum?
No, you can’t go out _______ your work is being done.
A.before
B.until
C.as
D.the moment
答案
答案:C
本题易误选B。根据后面的…is being done可以看出“因为你正在做作业,所以不能出去。”其他选项不符合句意。