在电话中介绍自己是谁,你可以说: A. This is Peter. B. My name is Peter. C. I am Peter.
We shouldn't make noise here. It means “________”. A. Keep off the grass B. Keep quiet C. Don't touch
The sign means you shouldn't ______ photos here. A. take B. talk C. taking
Ben,open the window please. ______ close it. A. Don't B. Aren't C. Not
It's time ________ some cakes. A. to B. for C. for have
The boys ________books in the classroom now. A. are looking B. are reading C. are seeing