53..She lingered long over his letter.

5. Party officials worked long hour on meager food, in old caves, by dim lamps.

15.汉语是( )的语言。

13.The subversion attempts proved predictably futile.

9. Mine, mine. they wouldshot at the pretty rainbows that are down to the earth, seeming never very far away.

23.He lied to me and made me the tool ofhis wicked deeds.

49. .As luck would have it, no one was in the0building when the explosion occurred.

62.He had the kindness to show me theway.

11. Wisdom prepares for the worst, but folly leaves the worst for the day It comes.

15.We believe that the younger generation will prove worthy our trust.