1.—Can I play video ames now,Mum?
— ___________ you can't.
2.—May I ask you a question?
—Yes, _____ _______?
3.—Hello,may I speak to Jane?
—Speaking, ______ ______?
4.—You are playing basketball. Can l join you?
—Yes, ______ _____.
5.—Are all these stamps yours?
—No. Some are ______ and some are ______.
