Take care! _______ to frequent smog does great harm to your health.
| A．Exposing | B．To expose |
| C．Exposed | D．Being exposed |
I don't think __________ possible to master a foreign language without much memory work.
| A．this | B．that |
| C．he | D．it |
Sandy could do nothing but __________ to his teacher that he was wrong.
| A．admit | B．admitted |
| C．admitting | D．to admit |
Will you be able to attend the lecture __________ next week?
A givingB. given
C. to be givenD. being given
The government must take measures to prevent the river __________.
| A．polluted | B．polluting |
| C．from polluted | D．being polluted |
It was __________ that we wanted to stay here for another two days.
| A．such fine weather | B．such a fine weather |
| C．so fine weather | D．so fine a weather |