“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

 --- 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

— May I go and play football with Dick this afternoon, Dad?

— No, you can’t go out ________ your work is being done.

A. before      B. until        C. as       D. after

---May I go and play with Tom this afternoon, mum?

       ---No．You can’t go out ______ your homework is being done．

       A．until        B．after  C．before      D．as

---May I go and play with Tom this afternoon, mum?

       ---No．You can’t go out ______ your homework is being done．

       A．until        B．after  C．before      D．as