摘要： I went to buy the dictionary yesterday I had time. A. until B. because C. if D. before 27. you eat too much of that meat, you may fall ill. A. So B. Though C. If D. Then 28. Difficulties are nothing we are not afraid of them. A. for B. as C. if D. whether 29. Could you tell me you were late for the meeting this morning? A. where B. why C. when D. who 30. I must stop writing now, I have rather a lot of work to do. A. if B. though C. as D. where 31. I didn't go to school yesterday I was ill. A. because B. if C. and D. them 32. I can't return the library book I have lost it. A. so B. then C. but D. because 33. Kate's mother was ill, she had to take care of her. A. but B. or C. because D. so 34. he is in Nanjing, he can still hear from us quickly. A. As soon as B. Though C. While D. Since 35. Jim is an American, he can speak very good Chinese. A. if B. so C. but D. because 36. We don't understand the passage there is few words in it. A. and B. if C. though D. because 37. he is very young, he knows a lot about science. A. Because; so B. Though; / C. When; and D. Though; but 38. I was walking along the street I heard a cry from behind. A. when B. before C. while D. if 39. A woman saw it happen she was walking past. She picked it up gave it back to me. A. before; but B. after; so C. because; or D. when; and 40. It's a long time we met last time. A. for B. before C. till D. since 41. We didn't find water and grass we had passed several villages. A. because B. when C. until D. after 42. he finished the work, he left the office. A. Before B. Until C. As well as D. After 43. Mother didn't go to bed she finished making the birthday cake for Ann. A. until B. since C. because D. after 44. I haven't heard from him we left school. A. after B. before C. when D. since

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