题目内容
—May I go out tonight?
—Of course you can, _____ you promise to be back before 10 o’clock.
A. as soon as B. as well C. as long as D. as usual
C
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--- 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 |