66. The library is still ___________.

65. When he was a child, he __________ popular music.

64. The noise in the street _________ our work last year.

63. These children _____________accept the strangers’ presents.

62. You can easily c______ the problems if you study British history.

Ⅴ. 根据所给词组用其正确形式填空(其中有两项是多余的)(共11小题；每小题1分，满分11分)

lead to　 refer to　 make an announcement　 with certainty　 a collection of under construction　 be strict with　 cure…of …　 　contribute…to… have an effect on　　　 be enthusiastic about　 be unwilling to　 at times

61. Who is to b________ for the accident？　

60. The May 4th M___________ of 1919 is very important in the history of China.

59. He only describe the event ________(粗略地)

58. The boss is _________(小心谨慎的)about making promises.

57. He was ________(被战胜)at chess last night.