Waste paper shouldn’t ______ everywhere．It’s our duty to keep our city clean．

A． be thrown         B． throw         C． is thrown          D． are thrown

71. We shouldn't t_____ waste paper everywhere. It's our duty to keep our city clean.                 

72. The temperature will fall below zero at night in winter in the n______ of China.

73. The big earthquake in Japan caused over ten thousand people dead and about ten thousand people m________.

74. People who are friendly and helpful make it a lot e______ to get along with in a new place.         

75. Tracy is always very busy on weekdays, so she can only watch TV t_______ a week, on Saturdays and Sundays.

76. My h_______ are reading, singing and swimming.

77.The story i_______ is interesting, but it's a little difficult for children..                           

78. Do you think this kind of water is s_______ for drinking?                                     

79. Don't make any n_______. The baby is sleeping.       

80. There is someone k_______ at the door. Go and see who it is．                              

71. We shouldn't t_____ waste paper everywhere. It's our duty to keep our city clean.                 

72. The temperature will fall below zero at night in winter in the n______ of China.

73. The big earthquake in Japan caused over ten thousand people dead and about ten thousand people m________.

74. People who are friendly and helpful make it a lot e______ to get along with in a new place.         

75. Tracy is always very busy on weekdays, so she can only watch TV t_______ a week, on Saturdays and Sundays.

76. My h_______ are reading, singing and swimming.

77.The story i_______ is interesting, but it's a little difficult for children..                           

78. Do you think this kind of water is s_______ for drinking?                                     

79. Don't make any n_______. The baby is sleeping.       

80. There is someone k_______ at the door. Go and see who it is．