Dear Sir/Madam, 11) .am writing.. (write) on behalf of Midfield School. Every year, our students 2) (choose) to do a project on an environmental problem. Then, they 3) (work) to raise money to help solve this problem. We 4) (recently/see) your advertisements about protecting dolphins, so for the last few weeks we 5) (try) to learn about the dolphins that 6) (live) in the sea near our school. We 7) 8) (already/be) on two boat trips and (persuade) local fishermen to change their fishing nets because the (use) at the moment can trap dolphins. Could you please send the children some World Wildlife Fund posters to add to the presentations that they 10) (do) so far? ones they 9) Yours faithfully, J. Hopkins (Teacher)​