49.　　 It is said that the book has been translated into several foreign languages.

48.　　 There seemed nothing else to do but send for a doctor.

47.　　 I’d rather lose the game than hurt him.

46.　　 It is no use debating with Tom, because he will never change his mind.

45.　　 It is polite for the student to give up his seat to the elderly woman.

44.　　 How to solve the problem will be discussed at tomorrow’s meeting.

43.　　 Learning a foreign language well requires time and effort.

42.　　 He thinks it important that he does full preparation before the examinations every time.

41.　　 The reason why Peter hasn’t come is that he didn’t catch the train.

40.　　 This is what you are looking for.