第三节 根据汉语意思完成句子。（共5小题，每小题1分，共5分）

71. 把垃圾扔进河里是不对的。

It’s not right______ ______ ______ ______ the river.

72. 政府必须采取措施改善我们的生存环境。

The government must_____ _____ ______ improve our living environment.

73. 他们很难像以前一样彼此经常见面了。

It’s very difficult for them to see each other______ ______ ______ ______ .

74. 自从我来这儿这部电影我已经看过好多遍了。

   I______ ______ the film for many times______ I______ here.

75. Amy以前曾经参观过长城吗？

______Amy ______ ______ the Great Wall before?

第四节 句型转换 在空白处填上适当的单词，使得上下两句意思相同或相近，每格一词。（共5小题，每小题1分，共5分）

76. The town has changed a lot over the years.

Great changes______ ______ ______ in the town over the years.

77. There was once a steel factory near the river.

There______ ______ ______ a steel factory near the river.

78. Millie is late for school sometimes.

Millie is late for school ______ ______ ______ ______.

79. We began to learn English two years ago.  

We______ ______ English______ two years ago.

80. A reporter from CCTV interviewed Mr. Chen yesterday.

A reporter from CCTV______ ______ ______ ______ Mr. Chen yesterday.