—______,Tom, are these your books?—No, they aren’t .I think they are_______.A. Excuse me; JackB. Sorry ; Jack’sC. Excuse me; Jack’s
What do you have ____________ supper?
Tom needs some help ________ his homework. Can you help ________?
We have some boxes. But we need ________ .
Is this room ________ the meeting?
Dad, my trousers are old. I want to buy a new ________.