Jack is a boy, ______ last name is Brown.

—Mike，is this Tom’s pencil?—Oh，yes，it is         ！

--- Excuse me, are these books ________? --- No, they are _________ classmate’s 

Can you tell me _______to talk to and ________to get help when we have problems?

--Hi, Alice, Which do you prefer, 《Avenue of Stars》or《Mr. Zhou Live Show》? --_______, mother and I often watch them on TV.