71. When Bonnie Rivers passed her exams, everyone c____________ her and wished her all the best for her future.
72. I am happy to have found many things I can do, like writing and computer programming. My ambition is to work for a f________ that develops computer software when I grow up.
73. We have found human and animal bones in those caves higher up the hills as well as tools and other objects. So we think it is reasonable to a___________ they lived in these caves, regardless of the cold.
74. Pressed by my friends and relations, I decided to s__________ the opportunity to get recognition for my successful idea by sending my invention to the patent office.
75. However, when she first saw the robot, she felt _____(惊恐), which seemed more like a human than a machine.
76. Also, when I miss my family, it’s a great comfort to have a ________(替代)family to be with.
77. ____________ __________ __________ (不久前的一天)I was showing the boys the weekly chemistry when, before I knew it, the mixture was bubbling everywhere.
78. I am surprised he is so strongly ___________ ___________ ___________(支持)smoking because he is usually very reasonable about health issues.
79. ---Hello, Serena. I was expecting you to call me back yesterday.
---I’m sorry. I tried but your phone _______ _________ ___________ _________(出故障)and I couldn’t get through.
80. It suddenly ______ __________ __________ ________(我想到)we could go to the customs office for help.
71.cocngratualted 72.firm/factory 73.assume 74.seize 75.alarmed
76.substitute 77.The other day 78.in favo(u)r/support of 79.was out of order
80.occurred to me that