. —— What can I do for you?
——I’d like to buy a gift for my mother’s birthday, one at _________ proper price but of ___________ use and it’d better be __________ surprise.
| A．the; /; a | B．the; a ; / | C．a; the; / | D．a; / ; a |
If has been raining days．
| A．these all last few | B．these last few all |
| C．all these last few | D．these last all few |
If I had worked harder at school, I in a comfortable office now．
| A．would sit | B．would have sat | C．would be sitting | D．were sitting |
twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city．
| A．Examining | B．Examined | C．Being examined | D．Having been examined |
, he wanted to buy his son a cheap toy for his birthday．
| A．As he is short of money | B．He was short of money |
| C．Short of money as he was | D．As was he short of money |
They considered a computer, which was considereda great help in their work．
| A．to buy; to be | B．buying; being | C．to buy; being | D．buying; to be |