5. ---Mom, what did your doctor say? (2006四川)

---He advised me to live ____ the air is fresher.

A. in where B. in which C. the place where D. where

6. Much of the power of the trade unions has been lost. ____, their political influence should be very great. (2006广东)

A. Even so B. As a result C. So far D. As usual

7. My parents were quarrelling about me ____ I could not quite tell why. (2006上海)

A. since B. though C. if D. until

8. In peace, too, the Red Cross is expected to send help ____ there is human suffering. (2006江西)

A. whoever B. however C. whatever D. wherever

9. We won't keep winning games ____ we keep playing well. (2006浙江)

A. because B. unless C. when D. while

10. After the war, a new school building was put up ____ there had once been a theatre. (1997全国)

A. that B. where C. which D. when

Keys: 1-5 DADCD 6-9ABDBB