五、(苏州太仓改编)根据图片、首字母提示或用括号中所给词的适当形式补全短文。
There were a lot of f in the city many years ago. We could often see the black s out of the chimney(烟囱). It (make)the air very d. Some people fell ill. They needed to see the . People couldn't walk in the streets in the early m, or they would get a bad . Then people m them away from the city. We also p more trees to k the air clean.

六、完形填空。
Trees are our friends. 1 are useful. They give 2 wood and we can use the wood to 3 paper, desks and chairs. Many trees give us fruit. Many people like 4 fruit. It helps us keep healthy. Our city looks beautiful 5 lots of trees. Trees also help keep the air clean. They are very important. We 6 cut down too many trees. We should protect them and plant more trees.
()1. A. Them B. They C. Their
()2. A. we B. our C. us
()3. A. make B. making C. makes
()4. A. eat B. eating C. eats
()5. A. because B. with C. in
()6. A. should B. shouldn't C. can

七、[新考法]阅读短文,完成表格。
We went to a park many years ago. The park was messy and dirty. Why did the park look messy and dirty? There were a lot of plastic bags, cans and lunch boxes. The pollution was serious. To keep the park clean, we should put rubbish in the bin and put a sign “No littering” in the park. We shouldn't litter everywhere. Everyone should know this and protect the park. This year,the park becomes more beautiful. We are happy to see that.