81. Don’t tell Dad about the present. I want to give him a big s_________.

80. －What l_______ do you speak?　 －Chinese.

79. Be c_________! The car is coming.

78. The h_______ you work, the more progress you’ll make.

77. Susan was so careless that she made many m_______　 in the test.

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

76. My daughter likes sleeping with the windows o_____ to keep the air fresh.

用方框中所给单词的适当形式填空，使短文通顺、正确、连贯(每个单词限用一次)。

The police do many things for us. They help to　 　61 　　our things and us safe. They help keep cars moving 　　62 　. They take care of people who are 　　63 　. They see these people get to a doctor.

　　 The police go around town to see that 　　64　 　　is all right. They get around town 　　65 　　many ways. Some of them walk or go by car. In some big cities, some of the police ride on　 66 　　. It is strange to see these animals in the street.

　　 As they go around town, the police help people. Sometimes they find 　　67 　　children. They take the children home.　 　68　 　　the police see a fight, they put an end to it at once. Sometimes people will ask the police how to 　　69 　　to a place in town. The police can always tell the people which way to go to. They know all the streets and roads 　　70　 　than we do.

Some police stand at the 　　71 　　. They tell the cars when to go and when to stop. They make sure　 　72 　　the cars do not go too fast. They 　　73 　　children cross the street. They also help people who can not walk too well.

　 　　　74 　　the police, our streets would not be safe. Cars might go too fast and hurt people. Lost people might never be found. The police do a good job. Without them,　 　　75　 　of people might die. So we should thank them for a job well done.