As for the accident this time, I think it is Richard you, to blame.
| A．more than; are | B．less than; who are |
| C．rather than; that is | D．rather than; is |
6. _________, I attended the meeting instead of him last week.
| A．He was ill | B．His being ill | C．He being ill | D．Him being ill |
7. When you read the book, you’d better make a mark ______ you have questions.
| A．at which | B．at where | C．the place where | D．Where |
8. I didn’t see your sister at the cinema. If she ______, she would have met my brother.
| A．has come | B．did come | C．came | D．had come |
9. _____ all behavior is learned behavior is a basic assumption of social scientists.
| A．Nearly | B．That nearly | C．It is nearly | D．When nearly |
10. By the middle of the 21st century , the vast majority of the world’s population ________ in cities rather than in the country.
| A．are living | B．will be living | C．have lived | D．will have lived |