16. The policeman wanted to see my l                 when he stopped my car.

17. The children were led to a place of s                .

18. Terrible things are a                 things.

19. She had to make a c                 between the two dresses.

20. An educator must first e                 himself.

21. It's a good c                 for you to practise speaking English with foreigners.

22. The building is very tall, but you can take a l                 to the top. It's easy and quick.

23. Please don't e                 without knocking at the door.

24. Unless you get a driver's l                , you can't drive a car.

25. There isn't any danger here. You are in s                 now.

26. The food in the hotel is a                .

27. May I have my own c                 of the food and drink?

28. I think zoos can e                 the public about caring about animals.

29. My family was poor in the past. I had no c                 to go to college.

30. Nick l                 the stone easily, but Tom didn't.

31.                 (安全) must always come first. Please keep it in your mind.

32. Last night he had a(n)                 (可怕的) dream, and he couldn't sleep well all the night.

33. We are lucky to live in the new                 (社会), so we must study hard.

34. It's important to                 (教育) the young students.

35. If you raise it at the meeting, I'll                 (支持) you.

36. Mr. Bean                 (进入) our classroom and told us a lot of jokes in my dream last night.

37. Whatever your                 (选择) is, I will just follow you.

38. He is very glad to