e are many students of Grade Threereading in the reading room, most of _________ with their heads buried in theirreference books and notebooks

So many problems! I’m tired.–You should try to them by yourself. You are not a child any longer.

下列句子中没有通假字的一句是（ ）

I’m a student from Grade One. I want to become the ______ of the Music Club. — Welcome! But you have to sing well.

______worries her a lot that her husband gets homelater and later. [ ]