________ late in the morning, Bob turned off the alarm.
| A．To sleep | B．Sleeping | C．Sleep | D．Having slept |
_____ 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 |
Are there any restaurants in Beijing _____ authentic Mexican food?
| A．serve | B．that serving | C．that serve | D．serves |