You’d better put a screen-safety on your computer _____ your eyes from _____.
| A．keep; damaged |
| B．stop; being damaged |
| C．to prevent; damaged |
| D．to protect; being damaged |
Only when we saw the photos about the air crash_____ how terrible it was.
A had we known B we had knownC did we know D we knew
______, it will make a difference to the life of the people in the earthquake – stricken area.
A However the contribution is small B No matter small the contribution is
C However small the contribution isD No matter how the contribution is small
On receiving the scholarship,_____ that she stood for quite a while speechless.
A Sue was too excited B so excited was Sue C excited was Sue D too excited was Sue
_____ is the power of the Internet that you can get whatever you want in no time.
A So B This C ThatD Such
So_____ that all the living things died out gradually.
A serious polluted the lake is B serious polluted is the lake
C seriously polluted the lake isD seriously polluted is the lake