---Oh, doctor, the wound on my leg is infected.
---You really shouldn’t have left it _______ to the sun.
| A．discovered | B．exposed | C．opened | D．buried |
Feathers are very light,we say "as light as a feather".
| A．in case | B．unless | C．if | D．so that |
I have a lotbefore the exam so I can't watch too much TV now．
| A．to be done | B．doing | C．to do | D．do |
It’s such a good place___ everyone wants to go and visit ___ it is well-known all over the world.
| A．that; that | B．as; as | C．as; that | D．that; as |
Miss Li ___as a secretary for five years in the company, and now she is general manager of it.
| A．serves | B．served | C．has served | D．had served |
The result was not as good as expected but the ________ on his face told us that he was still very happy.
| A．expression | B．impression | C．celebration | D．appearance |