49. I don’t have any more of it. I’ve 　　　　　it.

48. The city park is not clean. We need to 　　　　　a plan.

47. -I am doing homework. I feel terrible.

　 -Well, 　　　　　! It’s part of your job.

46. I didn’t sell it; I 　　　　it 　　　　　.

45. Teenagers like to 　　　　　some pictures of film stars on the wall.

44. Not only Tom but also I have 　　　　　a good idea.

43. I feel sick. I’ll have to 　　　　　my visit till next month.

42. Look! Uncle Wang is 　　　　　the machine.

41. Edison 　　　　　a chemical lab of his own at the age of ten.