— Do you think yesterday’s math problem was difficult?— Yes. I could           work it out.

I found the baby        as soon as he had heard his mother .

---Lucy is a _______girl. ---Yes, she always studies hard at night.

 —Jack used to give most of his money to people in trouble. How do you like him?—Some thinks he might be kind of _______. But more people are grateful to him.

The boy ___________ exercises, so he has to see the doctor because of overweight.