| —Do you always spend lots of time playing computer games? —No, but I spend much time my homework. |
A. on; in B. on; on C. in; on D. in; in |
| — ____ is the population of the town? — Over 20,000. And a third of the population ____ workers of the car factory. |
A. What, are B. How many, are C. What, is D. How many, is |
| — ____ the Internet ____ in your school? — Yes, but the computer in our office has often broken down. |
A. Is, used B. Is, using C. Does, use D. Has, used |