______ the local authorities put more attention to the safety of the children, more than 20 lives __________ in Gansu Province.
| A．Should, would not be claimed |
| B．Had, would not have been claimed |
| C．Should, would not be cost |
| D．Had, would not have been cost |
We all believe that ______ 2010 Shanghai World Expo will be ______ success.
| A．a; a | B．the; / | C．the; a | D．/; a |
— What are you going to do this weekend?
— ______, I’m going to visit the Nature Museum.
| A．If anything | B．If ever | C．If possible | D．If busy |
_______ on the American Civil War, the book attracted a large number of readers when it was published.
| A．Based | B．Basing |
| C．Having based | D．Being based |
I haven’t seen Li Lei these days. He was said _____ to the hospital to receive treatment.
| A．to take | B．to have taken |
| C．to be taken | D．to have been taken |
—Do you mind my closing the door? It’s a little bit cold in here.
—___________.
| A．Go ahead | B．Yes, you do | C．Hold on | D．Come on |