—Catherine, I have cleaned the room for you.
—Thanks. You _____it. I could manage it myself.
| A．needn’t do | B．needn’t have done |
| C．mustn’t do | D．shouldn’t have done |
In my opinion, this is not an economical way to get more water; ____, it is very expensive.
| A．on the other hand | B．on the contrary | C．in short | D．or else |
Jenny was very sad over the loss of the photos she had shot at Canada, ____ this was a memory she
especially treasured.
| A．as | B．if | C．when | D．where |
____ Chinese traditional painting, Sally has come to China to learn how to paint.
| A．Adoring | B．To adore | C．Having appealed | D．Appealing |
Since everyone would like to find an apartment near the university, there are very few ____ apartments in the area.
| A．free | B．vacant | C．empty | D．reserved |
The U.S.A. made a lot of excuses in an attempt to make war on Iran. However, its ____ purpose lay in the plentiful oil there.
A. incredible B. fundamental C. flexible D. identical