Make sentences using the words and phrases given

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Exercise 2: Make sentences using the words and phrases given.
1. If/ we/ plant/ more trees/ neighborhood/ greener.
2. If/we/ cycle/ school/ every day/ we/ keep/ air/ clean and fresh.
3. If/ keep/hunt/ animals/ they/ disappear/ soon.
4. If/we/ cut down/all/ trees/ there/ floods.
5. If/ we/use/ buses/ we/ reduce/ pollution.
6. You should/ finish/ homework/ before/ play/ sports.
7. I/ judo/ twice/ week/ and/ I/ go/ dance class/ too.
8. Soccer/ or football/ most popular sport/ Vietnam.