I ______ have been more than six years old when the accident happened.
34. _________ is known to all is that the earth goes round the sun.
33. Under good treatment, Linda is beginning to __________ and will soon recover.
32. Not until he told me the news __________ the truth.
31.. He seldom, __________, goes to the cinema because he is always very busy.
30. ---__________you got to know so much about the pop group in America? ---Through the Internet.