— John, you go out to play until your homework .
—OK, Mum.
A. must; finishes B. can’t; is finished
C. can’t; has finished D. needn’t; finishes
— John, you go out to play until your homework .
—OK, Mum.
A. must; finishes B. can’t; is finished
C. can’t; has finished D. needn’t; finishes
B