Edison who invented light had _________ knowledge of science.
| A．a; \ | B．a; a | C．the; \ | D．the; a |
----Bad luck! It’s too late!
----It doesn’t matter. The movie _______for only a few minutes. You can’t miss it.
| A．has been on | B．has begun |
| C．began | D．was on |
Since the villagers’ houses were damaged in the earthquake, many new ones have been ____.
| A．put on | B．put off | C．put up | D．put down |
----_______I come back before 11:00?
----No, you________. But you ________be back later than lunch-time.
| A．Can; can’t; may | B．Must; needn’t; can’t |
| C．Need; mustn’t; must | D．May; needn’t; can’t |
---Would you please drive______? My plane is taking off.
----I’d like to, but safety comes first.
| A．faster | B．better |
| C．more carefully | D．more slowly |
----There are sixty students in our class, and _________of us are boys.
----Wow! You have forty girls.
| A．one four | B．one third |
| C．two fifths | D．two thirds |