When the dam broke, it seemed ______ the sea had arrived suddenly on our doorstep.
| A．if | B．even if | C．as if | D．as |
we was _______ as a programmer，which was to us all.
| A．a success；a surprise |
| B．success；surprise |
| C．a success；surprise |
| D．success；a surprise |
Though smoking is not allowed in the public places, many people are still in _______ habit of smoking in the train or bus in _______ public.
| A．the；the | B．/；/ |
| C．the；a | D．the；/ |
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; / |