---Where___?
—I got caught in the heavy traffic, or I ___ here earlier.
| A．did you go; had arrived | B．are you; was | C．were you; would come | D．have you been ; would have been |
The computer system _____suddenly while he was surfing the Internet.
| A．broke up | B．broke out | C．broke in | D．broke down |
It is usually warm in my hometown in March, but it _____ be rather cold sometime.
| A．must | B．can | C．should | D．would |
—What about going dancing this evening, Tom?
—_____. I have a test tomorrow, so I have to go over my lessons tonight.
A I’d rather not B. I’ll take it
C. I don’t think so D. I’d like to
Arriving home tired, he had his wife ____ the dinner for him.
| A．cook | B．cooked | C．to be cooked | D．to cook |
Nowadays, we can obviously feel that the Net_______ our life rapidly.
| A．had changed | B．changed | C．is changing | D．was changing |