Put the verbs in brackets into the correct passive form.
1. A: How is Earth Day going at the school?
B: Great! Some recycling bins are being installed (install) by students at the moment.
2. A: A speech ….. (make) in parliament about pollution yesterday.
B: That's great. Something ….. (should/do) about this problem.
3. A: Is this the bin where plastic bottles (put)?
B: Yes, it ……. (collect) tomorrow.
4. A: Have you seen the new plants in the park?
B: Not yet. They…… (plant) when I passed the park last Monday.