---Walking is _____legs and hearts. ---Yes, we should often walk.
A. bad for
B. good for
C. good at
They spent much time _____TV last year.
A. to watch
B. watched
C. watching
---Would you mind ______the window for me? I feel a little cold. ---Not at all. I’ll do it right away.
A. close B. to close C. closing
Germs can get into the human body______ the skin.
A. with B. in C. through
--- Did you ___ the medicine ? ---Yes, I did. And I see how it goes now.
A. eat B. have C. take
The doctor _______ and found there was something wrong with his eyes.
A. looked him after
B. checked him over
C. checked him about