—Could I watch TV, mum? I want to have a rest.
—No,you _______. You must finish your homework first.
A.mustn't | B.couldn't |
C.may not | D.can't |
—Could I watch TV, mum? I want to have a rest.
—No,you _______. You must finish your homework first.
A.mustn't | B.couldn't |
C.may not | D.can't |