当你想知道对方正在干什么,问:A. What’s he doing?B. What are you doing?C. What do you do?
There ________ a new bed and a new curtain. A.be B.is C.are
Look ________ my bedroom. A.in B.for C.at
—What's in your bedroom? —________a computer. A.There's B.That's C.This is
Welcome ________ my new home! A.onB.toC.in
Let's do ____ interview ____ TV. A.a;in B.an;in C.an;on