_____ the box there is nothing but a piece of paper?

问题描述:

_____ the box there is nothing but a piece of paper?
还有,请帮忙做下此题:Tom didn't help mother with housework,but he does now.(合并句子)Tom_____ _____ _____ _____ mother with housework.)

In the box there is nothing but a piece of paper.
Tom has started to help mother with housework.