It is said that books on ______ popular science are in ______ short supply.
| A．the; a | B．/; / | C．/; the | D．the; the |
The gas tank____________ twenty gallons of gas, but now it may____________ only three gallons.
| A．holds; contain | B．holds; be contained |
| C．is held; contain | D．is held; be contained |
Mr. Smith__________ the roll of film as soon as he arrived home
| A．got down to wash | B．got down to develop |
| C．got down to washing | D．got down to developing |
The shop manager always says to his assistants, "We can never be ____customers.
| A．so | B．too | C．that | D．more |
How different is the impression produced by_____________ today!
| A．the Beijing of | B．the Beijing from |
| C．Beijing of | D．Beijing from |
From the dates _________ on the gold coin, we decided that it was made five hundred years ago.
| A．marking | B．marked |
| C．to be marked | D．having been marked |