Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines the pair of sentences given in each of the following questions. 20. They were tired after their trip. The weather was hot. A. Because they were tired after their trip, the weather was hot. B. They were tired after their trip, so the weather was hot. C. They were tired after their trip because of a hot weather. D. They were tired after their trip because of the hot weather. 21. The man is a friend of my father .He helped me with my pronunciation. A. The man which helped me with my pronunciation is a friend of my father. B. The man who helped me with my pronunciation is a friend of my father. C. The man whom helped me with my pronunciation is a friend of my father. D. The man who helped me with my pronunciation he is a friend of my father. 22. We are very glad. We come to school again after a very long holiday. A. We are very glad to come to school again after a very long holiday. B. We are very glad to coming to school again after a very long holiday. C. We are very glad that to come to school again after a very long holiday. D. We are very glad that we coming to school again after a very long holiday.