题目内容
—May I go outside and play for a while, Dad?
—No, you can’t ____ your homework is being done.
A. until B. as C. before D. the moment
B
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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 |