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____________
5. I want to be an __________(工程师), when I grow up. 5____________