—Henry,you________tell the teacher if you want to go out of the classroom.—Sorry,sir.A.are supposed toB.are surprised toC.are afraid to
_______ all the pop singers, I like Xu Song ________ because of his voice.
She is one of _________ in our class.
We have to the questions before answering them.
He often knocks our books _______the floor. A. into B. onto C. off D away
Can we have _____ food?