---Could I go boating this weekend, Dad?---Yes, you ________. But you ________ come back before lunch.

The door _______ open, no matter how hard she pushed. 

—________ we finish the work before class, Jack?—No, we_________ . We can do it after class.

You'd better ____ football in the street.

--Shall I take my swimming suit ?--No , you _____ . We will just go hiking in the mountain .