19. His hair badly needs____.

　A. to cut　　　　 B. be cut　　　　 C. being cut　　　 D. cutting

18.Do you have any difficulty_____ new mathematics?

　A. to understand　 B. to be understanding　 C. and understand　 D. in understanding

17. We had trouble ____the path through the forest.

　A. to find　　　 B. for finding　　 C. finding　　　　 D. with finding

16. The bus was so crowed that he had a hard time____.

　A. got off　　　 B. getting off　　 C. too get off　　 D. get off

15.She didn’t seem to mind ____TV while she was trying too study.

　A. their watching　 B. them to watch　 C. their watch　 D. for them to watch

14.____one’s work properly may be worse than not doing it at all.

　A. Not do　　　 B. Do　　　　　 C. Not doing　　　 D. Doing

13. He went ____in the river nearby.

　A. to fish　 　　B. fishing　　　　 C. to fishing　　　 D. for fish

12.She is very busy ____for a journey.

　A. to prepare　 B. preparing　　　 C. to be preparing　 D. being prepared

11. it goes without ____that Isaac Stern is among the greatest violinists.

　A. saying　　　 B. being said　　 C. to say　　　　 D. to be said

10.J.F Kennedy liked ____many questions at the press conference.

　A. being asked　 B. asking　　　 C. of asking　　　 D. ask