46. Mr. Viet started collecting stamps two years ago. A. Mr. Viet has started collecting stamps for two years. B. Mr. Viet has been collected stamps for two years ago. C. Mr. Viet has collected stamps for two years ago. D. Mr. Viet has collected stamps for two years. 47. He hasn’t cleaned his room for days. A. he started cleaning his room days ago. B. it is days since he has cleaned his room. C. He last cleaned his room days ago. D. he has never cleaned his room. 48. Johnny is almost as tall as Bob now. A. Johnny and Bob are almost the same tall now. A. Johnny was not as tall as Bob in the past. C. Johnny and Bob are almost the same height now. D. Johnny is a little bit taller than Bob now. 49. I have never listened to ghost stories before. A. This is the first time I listened to ghost stories. B. These are the first Ghost stories I listen to. C. This is the first time I have listened to ghost stories. D. This is the first time I listen to ghost stories. 50. No one in the family is more sympathetic then Laura. A. The people in the house is not sympathetic at all. B. Laura is very sympathetic. C. Laura is the most sympathetic of all the people in the house. D. Laura is more sympathetic than many people in the house.