“________ you read music?”
“Yes, I ________.”
-I don't know ________ he will come tomorrow．
-Don't worry．________ he comes, I'll let you know．
---What are you searching the Internet for?
---I'm trying to find out ________．
-Were there any problems at the concert last night?
-Yes, _________．
--Did Jack come to our party yesterday?
--No, he ________.
-Oh, no!The door and the window ________!
-Who could have done this?
-Go in quickly and see if we've lost something．