(   ) 3. Many children spend too much time       computer games now. It's bad for their studies.

   A. plays   B. play

   C. playing   D. to play

(   ) 2. The fisherman        catching fish. He always catches many fishes every time.

   A. is good for   B. is good at

   C. is good to   D. is bad to

(   ) 1. ―How often does Jane go cycling?

       —      

   A. Two times. B. In a week.

   C. For a week. D. Twice a week.

5.-Do you know he has a weak       (心脏) ？

 ―Yes,he can't do sports too much.

4. ―Don't move. There is something wrong with your knee (膝，膝关节) .

―Don't worry. The doctor said I should       (锻炼) my knee every morning.

3. ―Will you go with me to the cinema this         (周末) ？

―No,I won't. I'll go shopping on Sunday.

2. The little boy began to play        (棒球) when he was five years old.

1.        (健康) is very important to everyone.

5. After ten hours' work,singing a song can r        ourselves.

4. There are many different kinds of people in the w       .