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  根據(jù)下列句子所給的漢語(yǔ)注釋及句意，寫出空缺處單詞的正確形式．每空一詞．

63.1t's hard to________（想象）how you worked out the problem in such a short time.

64. He has just graduated from university, so he has no________（經(jīng)驗(yàn)）in teaching.

65. China is trying her best to develop agriculture and________（工業(yè)）．

66. He was charged with________（擾亂）the public peace.

67. They were________（宣布）the result of the competition at this time yesterday.

68. He rushed out________（立刻）when he heard the bad news.

69.1 have no idea________（是否）I should take his advice or not.

70. These suggestions would be very________（珍貴）,I think.

71. The plane met with a thunderstorm during the flight, but finally landed in________（安全）

72. Don't touch the camera. It's one of the greatest________（科學(xué)家）．

73. Many people believe________（機(jī)器人）will do most of our work in the future.

74. Tell your cousin that it is important to leave you________（單獨(dú)）so you can study.