Answer:
1 If only the town had a recycling centre.
2 I wish I went to Africa with my friends last summer.
3 If only I could've joined last weekend's clean-up day.
4 I wish I didn't lose my phone yesterday.
5 If only people used public transport more.
6. I wish factories would not pollute the air.
1. had
2. went
3. joined
4. didn't lose
5. used
6. wouldn't pollute
Explanation:
b.clarifying dummmyyy
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