. We have two rooms ______, but I can’t decide ______.
| A．to live, to choose which one | B．lived, choose which one |
| C．to live in, which one to choose | D．live, which one |
| A．fat | B．habit | C．carrot | D．well |
| A．egg | B．rice | C．hello | D．question |
Kids will study at home ____ computers ____ a hundred years.
| A．in, on | B．by, after |
| C．on, in | D．In, for |
He will call me if he ________ in Beijing.
| A．reaches | B．arrives |
| C．will arrive | D．gets |
I think there will be _____ people and ______pollution.
| A．less, fewer | B．less, more |
| C．fewer, less | D．fewer, fewer |