I __________ asleep because it took me a long time to realize that the telephone was ringing.
| A．could have fallen | B．should have fallen |
| C．must have fallen | D．mustn't have fallen |
Drive slowly, Mary. ______ is something ahead on the road.
| A．It | B．This | C．That | D．There |
–What do you think of your Junior Middle School life?
--I think it is colorful, ______ I am always busy.
| A．if | B．though | C．while | D．until |
Now, people have more free time. Square Dancing is becoming more and more ______.
| A．comfortable | B．difficult |
| C．different | D．popular |
Going to the movies is good, ______ I really only like listening to music.
| A．and | B．but | C．so | D．or |
Dreams are beautiful. However, to ______ them needs lots of time and work.
| A．discover | B．find | C．achieve | D．stop |