22. We had to delay our trip because.............................. A. it was raining. B. the rain. C. it rains D. rain. 23. It's been fives years......................................I last saw Tom.. A. when B. since C. for D. that 24. Jack...................to class this morning because he was sick. A. hadn't come B. came C. didn't come D. wouldn't come 25. Let me give you a little ...............................about the president of the company. . A. specialization B. back ground C. concentration D. degree 26. Anna is considered as one of the most brilliant student in her class. A. lazy B. famous C. popular D. intelligent 27. Marie Curie was the first woman professor .....................the Sornonne. A. at B. in C. on D. of