44. We wewe waiting for the bus. It started to rain. A. It started to rain and we wewe waiting for the bus. B. We were waiting for the bus while it started to rain. C. While we were waiting for the bus , it started to rain D. We were waiting for the bus , so it started to rain. 45. You mustn’t park your car there. A. You are not allowed to park your car there. B. Your car don’t have to park there. C. Your car must be allowed to park there. D. You are allowed to park there. 46. your friends/ wait/ for you/ all that time? A. Do your friend wait for you all that time ? B. Are your friends waiting for you all that time ? C. Did your friends wait for you all that time ? D. Were your friends waiting for you all that time ? 47. I have been to the Huong Pagoda Festival three times now. A. I went to Huong pagoda for three times B. This is the third time I have been to Huong pagoda. C . I haven’t been to Huong pagoda next time . D. I didn’t gone to Huong pagoda any time. 48. We couldn’t keep on cleaning the street because of the heavy rai A. Because of the rain heavy , we couldn’t keep on cleaning the street. B. It rains heavily, therefore we couldn’t keep on cleaning the street. C. It rained heavy , nevertheless, we couldn’t keep on cleaning the street. D. . It rained heavily, so we couldn’t keep on cleaning the street. 49. You/ have / headache / two days. I/ think/ you/ go/ the doctor A. You have had a headache for two days. I think you should go to the doctor. B. You had a headache in two days. I think you have go to the doctor. C. You have had a headache for two days. I think you must to go to the doctor. D. You have a headache for two days. I think you shouldn’t go to the doctor. 50. This supermarket isn’t as expensive as the one across the street. A. This supermarket isn’t more expensive as the one across the street. B. The supermarket across the street is less expensive as this one. C. The supermarket across the street is less expensive than this one. D. The supermarket across the street is as expensive as this one.