请根据所给句子的意思，从下面的方框中选出可以填入句子中的单词，并将其字母标号填在答题卷相应的位置。

	A. helpful   B. called   C. smaller   D. front   E. read   F. back      G. kind     H. lighter    I. phoned    J. listened

 

76. Now the same information can be ______or even ______ to on computers.

77. This machines are _____/_____ than books.

78. ---Where do you sit?

   ---I sit at the _____/_____.

79. Mrs. Green is a nurse. She is _____/_____.

80. I _____/_____ you but no one answered the telephone.