.--Can I help you? --Yes. I bought this computer here yesterday, ,but it ______ now.
_____ do you think will teach us math next term?
. The reason why I have to go is _____ if I don’t.
_____ I accept the gift or refuse it is none of your business.
_____ we need more practice is quite clear.
_________, what you did is right. So don’t be worried about it any more.