Question

—May I go outside and play for a while, Dad?—No, you can’t ____ your homework is being done.

—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

Answer 1

B

考查连词;A. until直到B. as 当…时候，因为C. before在…之前，D. the moment一…就，句意：--我可以出去玩一会吗？--不，你不能，因为你正在做作业。选B。