4. Mr. Li studied law at college and became a ___________(律师) after graduation.　　 　4____________

3. Madame Curie made an __________(重要的) discovery.　　　　　　 　　　　　　3____________

2. She had her arms and feet hurt in a car __________ (事故).　　　　　 　　　　　　2____________

1. There will be an _________(展览) next week in our city.　　　　　 　　　　　　　1____________

6.introduce　 7.twelve　　 8.valuable　　　 9.offered　　 10.solving

10.This problem needs _____ ( 解决) at once.　　　　　　　　　　 　10____________

Keys: 1.cruelty　　 2.keep　　　on　　　 4.admiration　 5.engineer

9. The old woman was kind. She o_________ us a room for the night.　 9____________

8. In my opinion, nothing is more v__________ than health.　　　　　　 8____________

7. A dozen means t__________.　　　　　　　　　　　　　　　　　 7____________

6. May I i ___________ my friend to you?　　　　　　　　　　　　　 6____________