16R

47. You must make your students study.

48. This metal can be bent easily into any shape.

49. He had a chance to see a good movie while he was in town.

50. The rock crashed through the window.

51. W: Did you see that ring around the moon last night? M: Yes, it was strange, wasn’t it? Q: What did they see last night?

52. M: I hear your son is in the army. What is he now? W: A sergeant. Q: What rank is her son?

53. M: Were the students on time for the examination? W: No, they were not. Q: What did the woman say about the students?