I often spend a lot of time ________ after class.

A. practicing play   B. to practice playing   C. to practice to play  D. practicing playing

I often spend a lot of time __________ softball after class．

　　A．practicing play　　B．to practice playing

　　C.to practice to play　　D．practicing playing

根据下列句子及所给单词的首字母，在答题纸上按题号写出各单词的完全形式(每空限填一词)。

71. My grandma is ninety years old. Tomorrow we will celebrate her n________ birthday.

72. Students in Class 4 are busy practicing basketball because they’re playing a________ Class 3 next week.

73. I love nature, so I decide to spend time in the beautiful c________.

74. Steve Jobs is a person who has c________ the world by inventing so many good products.

75. Lily and Lucy behave very d________ though they are twins.

76. When w________ comes, the days get shorter and colder.

77. Jim’s father is a f________ and he grows a lot of vegetables and fruits.

78. Nobody knows why the w________ is so terrible in 2012.

79. Miss Liu is very popular with students . On Teachers’ Day, she received many g________.

80. You should hand in your homework so that your teacher won’t be a_________ with you.