2.All the people are working hard to _________　 ___________　 _____(做贡献) building a harmonious society.

2.I am ready to ________ / ______/______　 ______　 _____　 _____(器重) the mistake.

(21)1.The accident ___________　 ____(归咎于)his death.

3. __________ / _________无价值的 ;　 __________ / _________无价的，价值昂贵的

(20)1.He is _________(责备)for the broken window.

2.The company _________(器重)the young man.

3.She seemed totally _________(投入) in her book.

(19)1.This experience is _________(有价值的)to me.

2.Small businesses _______________(吞并) by big ones.

2.She was _____________(揭露) as a liar(说谎者)

(18)1.The old man was utterly _________(投入) in the book.

5.She’s alive -- her heart__________________(仍在跳动).

(15)1. _______________(暴露)the strong sunlight, the flower withered(缩水).

4.An elderly man ___________(打死) to death.

3.Nothing ___________(打败) home cooking.什么也比不上家里做的好吃。