The Shanghai Expo presents the unique Chinese culture to the world at _______ surveys show to be the favorite Chinese pavilion (展馆).
| A．where | B．that | C．the one | D．what |
_______ in the war, many children have become orphans(孤儿).
| A．Their parents were killed | B．Being killed | C．Their parents killed | D．Killed |
Hard _____ he tried, he failed to catch up with the first runner.
| A．although | B．as | C．while | D．when |
--- Are you going to Tom’s birthday party?
--- _____. I might have to work.
| A．Thank you | B．Sounds great | C．It depends | D．Don’t mention it |
I _____ through that bitter period without your generous help.
A. didn’t go B, hadn’t gone C. wouldn’t go D. couldn’t have gone
--- What do you know about Darwin after he returned from the trip by sea?
--- Well, he got married and _____ down to live in Kent.
| A．got | B．worked | C．took | D．settled |