一、听录音,根据所听句子,选出合适的答语。
()1. A. Yes, it can.
B. Yes, it is.
C. Yes, it was.
()2. A. The smoke.
B. The blue sky.
C. The flowers.
()3. A. Yes, there is.
B. Yes, they are.
C. Yes, there are.
()4. A. We can walk to school.
B. We can sweep the floor.
C. We can plant more trees.
()5. A. The rubbish.
B. The trees.
C. The black clouds.

二、用方框内所给短语的适当形式填空,完成句子。
walk to the museum plant trees show us some new photos move them to
1. Mr Li last class.
2. Look! Students of Class 3, Grade 6 on the hill.
3. My brother last Sunday. It was really a long walk.
4. My mother doesn't like the bottles,so I the next room yesterday.

()1.There's ______ rubbish,so there ______ any fish in the river.
A.too many; aren't
B.too much; isn't
C.too much; aren't

()2.Dirty water from factories ______ the fish dead.
A.make
B.makes
C.to make

()3.—What can you do ______ your schoolbag clean?
—I can put all the school things in order.

A.keep
B.to keep
C.keeping

()4.The library is ______ now because we ______ it yesterday.
A.dirty; cleaned
B.clean; clean
C.clean; cleaned

1. We want to keep the city clean. What can we do?(合并为一句)
What can we do the city clean?
2. Smoke made the air dirty.(对画线部分提问)
the air dirty?
3. We can put rubbish in the bin.(对画线部分提问)
can you rubbish?
4. Mary goes to school by metro every day.(改为同义句)
Mary the metro school every day.
5. This living room is very messy.(改为感叹句)
living room!