Do you know the man is running along the street?–Yes.He is our math teacher.

There ________ a small park near my home and I often go there .

I haven’t got a camera.——I think you should buy_______. It’s useful for you.

I have more paper clips than_______, but my CDs are fewer than________.

Not only _____ feel good about helping other people, _____ get to do what I enjoy. [ ]