The key ____ for opening the door of the room.

Yoube hungry after the long walk．Help yourself to some cakes．

Lucy doesn’t mind lending you her dictionary.—I think she doesn’t, but I ________do so. I’ve already borrowed one.

of four buses will take you to the station . We can take of them .

Dad, can I go to the movies tonight?–Sure, but you ____ come back home before 9 o’clock.