While he was investigating ways to improve the telescope, Newton made _______ discovery which completely changed _______ man’s understanding of colour.
| A．a；/ | B．a；the |
| C．/；the | D．the；a |
After dinner he gave Mr. Richardson _______ ride to _______ Capital Airport.
| A．the；a | B．a；the |
| C．/；a | D．/；the |
It’s _______ bad manners to blow your nose at _______ table.
| A．/; the | B．the; a |
| C．/; / | D．the; / |
George. W. Bush, _______ President of the United States, is to visit China _______ third time.
| A．a；a | B．the；a |
| C．/；a | D．/；the |
Don’t worry if you can’t come to _______ party—I’ll save _______ cake for you.
| A．the; some | B．a; much |
| C．the; any | D．a; little |
I can’t remember when exactly the Robinsons left _______ city. I only remember it was _______ Monday.
| A．the；the | B．a；the |
| C．a；a | D．the；a |
Sugar is sold by _______ pound, petrol by _______ gallon.
| A．a; a | B．a; the |
| C．the; a | D．the; the |
—Did you enjoy yourself yesterday?
—Yes. As you saw, party went on in _______ most pleasant atmosphere.
| A．the; a | B．the; the |
| C．a; the | D．a; a |
What _______ public is concerned about is whether medical workers and scientists will be able to find _______ cure for this new disease after the vaccine(疫苗) is tried on volunteers.
| A．/；/；/ | B．the；the；/ |
| C．the；/；the | D．the；a；the |
She was caught in _______ heavy rain on her way to the lonely island, which was quite _______ experience.
| A．a；/ | B．/；an |
| C．a；an | D．a；a |
It is _______ world of wonders, _______ world where anything can happen.
| A．a；the | B．a；a |
| C．the；a | D．/；/ |
It is often said that _______ teachers have _______ very easy life.
| A．/；/ | B．/；a |
| C．the；/ | D．the；a |
The preceding discussion has been based on _______ consideration of the performance of the group of learners as _______ whole.
| A．the; a | B．a; a |
| C．a; the | D．the; the |
Beijing we’ll see in _______ year 2008 will be quite _______ different city from what it is now.
| A．/；the；a | B．The；the；a |
| C．The；the；the | D．/；/；/ |
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