45. All the scientists _________ will attend the lecture.

　 A. who invited　　 B. invited　　 C. that have invited　　 D. have been invited

44. On his visit to the school years later, Peter was astonished to find himself _________ at once.

　 A. remembering　　 B. remembered 　　C. being remembered　　 D. having remembered

43. Just after putting away the dishes, ___________.

　 A. the doorbell rang loud　　　　　　　 B. Nancy heard the doorbell ring

　 C. someone knocked at the door　　　　 D. the doorbell was rung

42. The Olympic Games, __________ in 776 BC, did not include women players until 1912.

　 A. first playing　　 B. to be first playing　　 C. first played　 D. to be first playing

41. ___________ the lab, they were taken to see the library.

　 A. Having shown　 B. Having been shown 　　C. In order to show　 D. To have been shown

40. The __________ look on his face suggested that he __________ that.

　 A. surprising; had expected　　　 B. surprised; hadn’t expected

　 C. surprising; would expect　　　 D. surprised; shouldn’t expected

39. When they saw the Olympic Games, they got very ___________.

　 A. excite　 　B. excited 　　C. excitedly　　　 D. exciting

38. I remember I heard this song _________ in a concert but I’ve never heard you _________ it.

　 A. being sung; sang　　 B. sang; singing　 C. sung; sing　 D. to be sung; to sing

37. _________ more attention, the trees could have grown better.

　 A. Given 　　B. To give　　 C. Giving　　　 D. Having given

36. --- Good morning, can I help you?

　 --- I’d like to have this package ____________, madam.

　 A. be weighed　　 B. to be weighed　　 C. to weigh　　 D. weighed