11, going

12, calling/ let/ to decide

13, to work

14, to help

15, reading/ listening

16, to clean

17, writing

18, were/ would apply

19, have/ served

20, spending

11. My wife suggested (go) _going_ to Da Lat on our vacation last year.                                            12. He suggested (call) _calling_____ a meeting and (let) _let_____ the workers (decide) _to decide_____ the matter themselves.

13.The boy was made (work) ___to work___ hard.

14, I am happy (help) _to help_____ you.

15, The are fond of (read) __reading____ book and they hate (listen) __listening____ to music.

16, It takes me one day (clean) ___to clean___ the floor.

17, We spent a week (write) __writing____ the report.

18,If I (be) _were_____ you, I (apply) ___ apply___ for the job as soon as possible.

19,You'd better (have) _has_____ your car (serve) __served____.

20, It is worth (spend) __spending____ money on it. It has been there in the shop for ages.