Write ___ “s” here and write ___ “h” there, please.
| A．a…a | B．an…a | C．a…an | D．an…an |
My uncle now teaches French in a famous domestic university, who _____ in Paris for 6 years.
| A．have lived | B．lived | C．was living | D．had lived |
News came from the local government ______ the new graduates had some difficulties in opening their own business, they would be financed.
| A．which if | B．what if | C．that if | D．when if |
Not having worked out the problem, ______ leave the office.
| A．so he was not allowed to | B．and he didn’t want to |
| C．the teacher couldn’t make him | D．he couldn’t free himself to |
Nowadays, many people walk to work______ Copenhagen Conference calling for living a low—carbon lifestyle to cope with global warming.
| A．in relation to | B．in response to | C．in addition to | D．in opposition to |
The traffic slowed down because of the heavy snow in Yushu County, presenting a new ____ to the recovery from the earthquake．
| A．suffering | B．disaster | C．damage | D．challenge |