12. In their hiding place, the criminals lived in fear(). They knew the police were searching high and low for them. A. again and again; B. all the time ...

2. I didn't want() to become suspicious. A. anybody; B. anyone ...

13. He felt that he couldn’t () in the downfall of a foe who had fought so long and valiantly. A. infringement B. slip C. impetuous D. exult ...

3. Immigration poses two main challenges for the rich world’s governments. One is how to manage the inflow of (); the other, how to integrate those who are already there. A. migrants B. transformers C. immigrants D. emigrants ...

14. drip means to fall or let sth. fall in very small drops A. 错误 B. 正确 ...

8. frivolous means being careful A. 错误 B. 正确 ...

20. On others she () over family dinners cooked on Sunday afternoons for children who were now gray with age A. expounding B. forgo C. explosive D. presided ...

13. The medical report confirms that the flu has () almost everyone in this area. A. infected B. raised C. recommended D. insulated ...

5. Icebergs are parts of glaciers that break off, () into water, float about awhile, and finally melt. A. mobile B. drift C. shift D. rotate ...

19. monotonous means interesting A. 错误 B. 正确 ...