Listening to loud music at rock concerts caused hearing loss in some teenagers.
| A．is | B．are | C．has | D．have |
a rely, he decided to write a sixth letter.
| A．Not receiving | B．Not to receive |
| C．Not having received | D．not received. |
is a good of exercise for both the young and the old.
| A．the walk | B．walking | C．To walk | D．walk. |
The news reporters hurried to the airport, only the film stars had left.
| A. to tell |
B. to be told |
C. telling |
D. told |
I’m sorry written you a letter at the tine.
| A. to have not |
B. to not have |
C. not to have |
D. not having |
It is said that the book our Chinese teacher referred to is worth .
| A. reading |
B. to read |
C. being read |
D. read |