1. He can
keep
(keep) his room clean. Look, he
is cleaning
(clean) the desk and
sweeping
(sweep) the floor.
2. We can plant trees and flowers
to make
(make) our school beautiful.
3. He always
puts
(put) rubbish in the bins.
4. What makes
him
(he) so sad?
5. There aren't any
factories
(factory) in the city.
6. Bobby,
pick
(pick) it up. You can't
throw
(throw) it on the ground.
答案：1. keep, is cleaning, sweeping 2. to make 3. puts 4. him 5. factories 6. pick, throw
1. How many
museums
are there
in your city
?
2. Banana skins and waste
paper
make this/the park dirty and messy
.
3. — What can we do
to keep our city clean
?
— We can
take the bus or metro
to school. We shouldn't throw rubbish
on the ground/floor
.
答案：1. museums, in your city 2. paper, make this/the park dirty and messy 3. to keep our city clean, take the bus or metro, on the ground/floor
五、按要求写句子。
1. I throw rubbish in the bin.(改为一般疑问句,并作肯定回答)
Do you throw rubbish in the bin? Yes, I do.
2. We can walk to school.(改为同义句)
We can go to school on foot.
3. There are many museums in the city.(改为单数句)
There is a museum in the city.
4. We can put rubbish in the bins to keep our school clean.(对画线部分提问)
What can you do to keep your school clean?
5. dirty, from, smoke, makes, cars, the, air (.)(连词成句)
Smoke from cars makes the air dirty.
答案：1. Do you throw rubbish in the bin? Yes, I do. 2. We can go to school on foot. 3. There is a museum in the city. 4. What can you do to keep your school clean? 5. Smoke from cars makes the air dirty.
(
F
) 1. Lily's village is very big.
(
F
) 2. There's a small river behind the house.
(
T
) 3. The water in the river is not dirty.
(
F
) 4. The ducks are near the house.
(
T
) 5. There is no black smoke in the village.
答案：1. F 2. F 3. T 4. F 5. T
