《2025年53天天练六年级英语上册译林版》

1. —What made the air dirty?
—Smoke from cars and factories made the air dirty.
2. —What can we do to keep the streets clean?
—We can put rubbish in the bin.
3. —Was the river dirty in the past?
—Yes, it was. There was rubbish and dead fish in the river.
4. —What did we do to make the river water clear again?
—We cleaned the river and used rubbish bins!

答案： 1. Smoke from 2. What can; do 3. Was; was 4. to make; clear

1. Rubbish on the grass (e.g., plastic bags, newspapers and cans)
Past problems
Bad air from 2. factories and cars
A 3. dirty lake with dead fish
Star Park
Actions taken
Residents picked up rubbish.
Workers put 4. bins and signs around.
5. Students planted flowers and trees.
Teamwork
Results now
Fresh air and a 6. clean lake
Happy 7. families and a safe playground

答案： 1. Rubbish 2. factories 3. dirty 4. bins 5. Students 6. clean 7. families