3. I got this ticket for free from somebody who didn’t want it.

2. Finally he achieved his goal by working hard.

1. Every Monday morning, all the students are required to attend assembly.

1.　　　　 for改为to 2.usually改为usual 3.去掉was 4.去掉the 5.去掉him 6.去掉which 或把which 改为that 7.去掉for 8.equipments改为equipment 9.去掉but 10.were 改为was

1---5.CDADB　　　　 6---10.CBCDB　　　 11---15.ACADC

30.pay attention to doing sth.

27.an hour later than usual　 28. be happy with 29.find sb. hard to please

24.be available for different experiment 25. serve three meals　 26 experienced nurses

21.approve a plan　 22. read poems out loud　 23. be required to do sth.

17.　 at the open day　 18. on the back cover　 19. order a copy of... 20 inform sb. of / about sth.