---Did you notice Tom was busy all day in his office?
---Oh, yes, he has just finished his business tour of Chicago. He has a lot of work to ___.
| A．take up | B．make up | C．come up | D．carry out |
In China's countryside, villagers often have the same family name, but ________ not be closely related.
| A．need | B．shall |
| C．must | D．may |
In one's lifetime, if fortunate, one is likely to be blessed by the friendship of another person ________ existence can be a great inspiration.
| A．whose | B．which |
| C．who | D．whom |
An unemployed Iranian man threw his shoes at President Mahmoud Ahmadinejad while the leader________ a speech.
| A．delivered | B．was delivering |
| C．would deliver | D．had delivered |
The owner of the house moved to west Beijing last month, which is ________ he decides to sell this house.
| A．why | B．when |
| C．where | D．how |
A draft regulation on school bus safety management was made public by the State Council, with the public________to give comments.
| A．to invite | B．inviting |
| C．invited | D．having invited |