51.Anyone ______to answer country needs special papers.

　 A. traveled　　 B. travels　　　　 C. to travel　　　　 D. traveling

50. _____ with his brother, he is not so clever.

　 A. Compared　 B. To compares　 . Comparing　　　　 D. Compared

49.______ from this fact , he must be an honest man.

　 A. Judging　　 B. Judged　　　 C. Judges　　　　　　 D. Judge

48. _____from a spaceship , the earth blue, green and while ball.

　 A. Seeing　　 B. Seen　　　　 　C. To see　　　　　　 D. saw

47. Asked if he could come to the party that night, ______.

　 A. nobody said anything　　　 B. they did not get an answer from him

　 C. nothing was said by him　　 D. John nodded his head and left the room

46. Having a written examination,_______.

　 A. it is necessary that I have to study hard　 B. I must be hard to study

　 C. it is necessary for me to study hard　　 D. I am forced to study hard

45. among these ships are none _____to us.

　 A. belonged　 B. to be belonged　 C. belonged　　　　 D. belongs

44. I couldn’t understand the language_____ in that country.

　 A. to cover　　 B. speaking　 C. to be spoken　　　　　 D. spoken

43.--- Why did you go back upstairs?

　 --- I thought I had left　 the window______.

　 A. open　　　 B. opened　　　　 C. being opened　　　　 D. to be opened

42. When _____that it was getting late, I put out the light and went to bed.

　 A. find　　　　　 B. finding　　　 C. found　　　　　　 D. found