— Why do you choose to work in an international travel agency?
— Well, you know, English is my ____________. So it is my best choice.
| A.strength | B.talent | 
| C.ability | D.skill | 
---Thank you for your CD-ROM. I’ll return it as soon as I can. 
  ---_____. I’ve got another one to spare.
| A.No problem | B.No hurry | C.With pleasure | D.Nothing much | 
All of Manhattan, parts of Brooklyn and Queens are blacked out, and people have no idea ___ it’s coming back on.
| A.that | B.when | C.how | D.where | 
I first met your sister ten years ago, when she ____at a supermarket as a salesgirl.
| A.has worked | B.had worked | C.was working | D.had been working | 
The boy is working harder than ever, hoping to ___the time he has wasted playing online games.
| A.take up | B.make up | C.bring up | D.call up | 
We ___have hurried all the way to the airport—the flight was called off because of the foggy weather.
| A.mustn’t | B.couldn’t | C.needn’t | D.wouldn’t |