Professor White has written some short stories, but he is __ known for his plays.
| A．well | B．better | C．best | D．the best |
I do not really work here. I __________ until the new secretary arrives.
A, just help out B. have just helped out
C. am just helping out D. will just help out
The new secretary is supposed to report it to the manager as soon as she __________
| A．will arrive | B．arrives |
| C．is arriving | D．is going to arrive |
I need one more stamp before my collection __________.
| A．has completed | B．completes |
| C．has been completed | D．is completed |
The house could fall down soon if no one __________ some quick repairs work.
| A．has done | B．is done | C．does | D．had done |
__________ small, the company has about 1，000 buyers in over 30 countries.
| A．As |
| B．If |
| C．Although |
| D．Once |