5. Windows should_(keep)   open  so  that  fresh  air  can come in.

4. As you’ve never been there before, I’ll have someone_(show) you the way.

3. Our teacher_(tell) us many times not to run after each other after class.

2. Miss Li_(chat)  with some students from 3 to 4 yesterday afternoon.

1.    It_(worry)    me    that they haven’t answered my letters.

10. Even after seeing the doctor, she became much_(ill).

9. When it is too_(noise) at home, you should tell your parents.

8.    She had to make a_(choose)    between    the two dresses.

7. Nobody can find out the cause of her_(sad).

6.    When we have problems, we should ask for advice instead of keeping    them to_(we).