—________I complete so much my homework now?— No, you ________.You can do it after supper.

The problem is too difficult for him. He _______ solve it by himself without any help.

A good rest between classes ________ recover brain power to its best and make us perform better in class later.

Curious about the world around him, my son__   __ask me endless questions when he was young．

—Have you written anything on Chinese traditional medicine so far?— _________, but I have a plan for it.