28. She earned a degree in Physics and went on to take another degree in Mathematics. A . continued B. decided C. harbored D. determined. 29. When the firework.........................off, the dog.....................away. A. had gone / ran B. went / had run C. went / ran D. went / was running 30. The man looked familiar. I .................................him somewhere before. A. saw B. have seen C . had seen D. see 31. By the time the boss returned,……………… A. she would type all the letters. B. all the letters was typed. C. she had typed all the letters. D. all the letters will have been typed. 32. The children are looking forward to going to the circus. A. The children are excited about going to the circus. B. The children are looking to going to the circus. C. The children were happy because they went to the circus. D. The children are allowed to go to the circus.