Radar enables the pilot of an airliner to take off, fly and land in _____.
| A．danger | B．comfort | C．continuity | D．safety |
---Going to work today, Brenda?
---No. It’s my day________today.
| A．out | B．in | C．away. | D．off |
. Unemployment is on the increase. A growing number of young people,________, are finding themselves out of work.
| A．in case | B．all in all | C．in particular | D．in addition |
- You're going to publish my book. Are you serious?
--__________. It's to be published next month.
| A．No, I am not | B．No, I was just joking |
| C．Yes, I do | D．Yes, I have never been more serious |
No wonder you caught a cold. You________have gone out last night without a coat.
| A．shouldn’t | B．mustn’t |
| C．couldn’t | D．mightn’t |
His advertisement income this year is about $36 million, over three times________of last year.
| A．that | B．what | C．those | D．ones |