看到了朋友, 可以这样问候 A.How are you? B. Point to the door. C. I’m fine.
He always______ a lot of questions. A. have B. has C. is
They're in different ________. A. class B. school C. schools
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