________important computers are to everybody in a modern city!
| A．What | B．How |
| C．What an | D．How an |
If I had a million dollars, I’d give it away to___/′medikəl/ research.
| A．medicine | B．medical | C．magazine | D．metal |
It’s our_________/'dju:ti/to study hard.
| A．dollar | B．duty | C．dinner | D．date |
We must _________/kli:n/the classroom every day.
| A．clean | B．clear | C．clever | D．cheap |
How often do you take a shower? I take a shower________/ wins/ a day.
| A．won | B．once | C．win | D．one |
This isn’t my ______/hæ t/.
| A．hit | B．cat | C．hat | D．head |