I think____________ necessary _____________ to take more exercise.
| A．it, for Jim and me | B．it’s, to Jim and me |
| C．that , for Jim and I | D．that’s, to Jim and me |
— Are you willing to live on Mars one day?
— It sounds exciting,but it still worries me.
| A．Of course I am. | B．I’m not sure. |
| C．Why not? | D．Are you joking? |
The shop owner suddenly stopped talking with his mouth like a big “O”. It was the President!
| A．tight closed | B．tightly closed |
| C．wide open | D．widely open |
—Has David finished his project yet?
—I guess not. He on it at lunchtime. Do you want me to confirm it?
| A．is working | B．was working |
| C．has worked | D．had worked |
I hope the train will arrive on time, but it’s my control.
| A．within | B．without |
| C．under | D．beyond |
—Do you drink much coffee as before?
—No,at all. My sleeping problem is getting worse.
| A．none | B．little |
| C．nothing | D．anything |