26.--- You were lost on your way to the lake, weren’t you?

　 --- Yes, we were and had to stop ____the way.

　a. asking　　　　 B. for asking　　 C. to ask　　　　　 D. having asked

25. He regrets____ his father yesterday.

　A. having not seen　 B. not having seen　 C. not to see　 D. seeing not

24. Don’t forget _____this book to John when you finish reading it.

　A. returning　　 B. of returning　 C. having returned　 D. to return

23.She didn’t remember____ him before.

　A. having met　 B. have met　　 C. to meet　　　　　 D. to having met

22. His failure ____the college made him quite disappointed.

　A. to enter　　 B. in entering　　 C. t arrive early　　 D. entering

21.Please make an effort____.

　A. of arriving early　　　　　　 B. in arriving early

　C. to arrive early　　　　　　　 D. early too arrive

20. Can you imagine the best boy in the class _____in the examination?

　A. cheating　　　 B. to cheat　　　 C. cheat　　　　　 D. cheated

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