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1 A: Look at the river. It’s
B: Yes. There’s a lot of
A: The fish are
B: We should
2 A: What
B: Smoke from
A: What can we do?
B: We can plant more
A: Right. And we can go somewhere by bus or
dirty
. B: Yes. There’s a lot of
rubbish
in the water. A: The fish are
dead
. B: We should
put
the rubbish in the bin
. 2 A: What
makes
the air dirty? B: Smoke from
cars
makes the air dirty. A: What can we do?
B: We can plant more
trees
. We can also walk
to school. A: Right. And we can go somewhere by bus or
metro
.答案
1 dirty, rubbish, dead, put, bin 2 makes, cars, trees, walk, metro
1 He walks to school every day. (改为同义句)
He
2 Bobby and Tina are walking home now. (用 yesterday 替换 now)
Bobby and Tina
3 The story made the students excited. (对画线部分提问)
4 The cartoon makes the child happy. (改为复数句)
The
5 We should put rubbish in the bin to keep our city clean. (对画线部分提问)
What should we
He
goes
to school on
foot every day. 2 Bobby and Tina are walking home now. (用 yesterday 替换 now)
Bobby and Tina
walked
home
yesterday. 3 The story made the students excited. (对画线部分提问)
What
made
the students excited? 4 The cartoon makes the child happy. (改为复数句)
The
cartoons
make
the children happy. 5 We should put rubbish in the bin to keep our city clean. (对画线部分提问)
What should we
do
to
keep our city clean?答案
1 goes, on 2 walked, home 3 What, made 4 cartoons, make 5 do, to
Pollution (污染) in the city was a serious problem many years
ago
. The sky was sometimes dark. In some rivers, the water was
dirty and smelly (臭的). The fish were
dead. Now the sky is blue and the rivers are clean. There are many trees and flowers
in the city. It’s like a big garden. I like living
in the city.答案
ago, was, were, flowers, living
