Many children, ____ parents are away working in big cities, are taken good care of in the village.
| A．their | B．of them | C．whose | D．with whom |
Read this story，________you will realize that not everything can be bought with money. (2013·四川，4)
| A．or | B．and |
| C．but | D．so |
Not once________to Michael that he could one day become a top student in his class.
(2013·湖南，35)
| A．occurred it | B．it did occur |
| C．it occurred | D．did it occur |
The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them. (2013·湖南，33)
| A．are；is | B．are；are |
| C．is；are | D．is；is |
At no time________the rules of the game.It was unfair to punish them. (2013·辽宁，26)
| A．they actually broke |
| B．do they actually break |
| C．did they actually break |
| D．they had actually broken |
________small，the company has about 1,000 buyers in over 30 countries.(2013·天津，5)
| A．As | B．If |
| C．Although | D．Once |