Bob, can you play violin— Yes, but I don’t have violin.

Mrs. Smith put a coat________ the sleeping girl to keep her warm.

How much is too much for a schoolbag —Expertssay students should carry_______ more than 10 or 15 percent of their bodyweight

下列词语中划线的字，读音全都不相同的一组是（ ）

I think _____ of the materials I listen toat the beginning of the exam _____easy.