84. The boy was ___________(好奇)about everything he saw.

83. Tom got e____________ to Mary, whom he had met on the train.

82. After a long d_________, they reached an agreement.

81. We must __________(寻找)for a solution to the problem.

80. Although these problems are difficult, we shouldn’t __________(忽视)them.

79. The building is ___________(设计)so that it looks like a bird nest.

78. There is no ___________(阴影)that can be found in the desert.

77. Read the ____________(介绍)of the washing machine before you use it.

76. Please look after my house during my ___________(不在).

75. The _____________(气氛)of the class is very warm and friendly.