. Not until _______ smoking ________ healthy lungs.
| A．did he five up, he had | B．did he give up, did he have |
| C．he gave up, he had | D．he gave up, did he have |
In the past 12 months, Taylor Swift ____ her CD Fearless become the year’s bestselling album.
| A．saw | B．was seen | C．has been seen | D．has seen |
_____ that smells so good? It makes my mouth water.
| A．What is | B．Is that what | C．What is it | D．Is it what |
– Unfortunately, I won’t have time to visit the World Expo 2010 _____ I’m in Shanghai.
– What a great pity!
| A． until | B．since | C．while | D．unless |
I’ve no idea how much work it is to be _____ a World Expo but I’m sure they’ve done a lot.
| A．in favor of | B．in response to | C．on behalf of | D．in charge of |
Could I just ask one question about the plans for a new building _____ at the beginning?
| A．put forward | B．that put forward | C．that was put forward | D．were put forward |