Mr. Smith ____ the village since last year.

Don’t let them you.

Is air the lightest thing in the world?– Not . Scientists from Zhejiang University have just developed the world’s lightest material.

I think English is __________ unimportant subject.— I don’t think so. It is __________ useful tool when we talk with foreigners.

Do you get _______ well _______ your friends? —Yes,we do.