Please write me and tell me yourself.
—It’s time to go to bed,Li Ming. —Mum,I have a lot of homework to do and I won’t go to bed________I finish it.
There was an important meeting last night.Mr.Smith________to it.
—Your city looks beautiful! —Yes.Lots of trees and grass________last year.
Who were the shoes with special heels invented________?
—A number of students________in the dining hall. —Let me count.The number of the students________about 400. A.are;is B.is;are C.are;are