80. Your smile puts me at ______(舒适)when I feel upset.

II. 单句改错(共5小题，每小题1分；满分5分)

下列每句中有且只有一个错误，请按要求标出错误，并改正。

该行多一个词：把多余词用斜线(\)划掉，在该行右边横线上写出该词，并也用斜线划掉。

　 该行缺一个词：在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词。

　 该行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。

79. We can ______(战胜)any difficulty if we are determined.

78. Jackson was ______(可能)to have died before he was rushed to the hospital.

77. The park in Japan is ______(模仿)after everything in Holland.

76. Some of the animals that______(存在)in the past are extinct now.

75. Li Ming, ______(代表)our school, took part in the competition.

74. The proof is not ______(令人信服的); people don’t believe UFO.

73. I am not as lucky as you. On the ______(相反)，I failed in the exam.

72. It is a scientists’ job to ______(寻求)the truth about the Big Bang of the universe.

71. He was holding his ______(呼吸)while seeing the horrible movie.