Li Jun will have a math test tomorrow. As he isn’t good at math, he is ______.
Our school has two months ______ in the summer time.
_______ 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