80.Each of us _______　(有) a _______　(电脑) in my office .

79.Do your homework _______ (仔细地).

78. I often go to bed at a _______ (一刻钟)past eleven

77. ________(二月)is the second month of a year.

76. She _______ _______(进行体育活动)after class every day .

75.The _____(口) of the bottles are too small.

73.We must _____(学习)from Comrade Lei Feng .

74 I ______(学习) in Aide Foreign Language School .

72.Look !The cat is _____ (抓) a bird .

71.Tom’s mother asks him ______ ______ (传递)the ball to her .

70.I want to go to Wuhan for my _________(假期).