– Can I watch TV now Mum?– No you can’t watch you finish your homework.A. as B. after C

问题补充：

– Can I watch TV now, Mum?

– No, you can’t watch you finish your homework.

A. as B. after C. until

答案：

解析：考查固定短语。根据句意：----我可以看电视吗，妈妈？------不，直到你完成家庭作业才能看电视。