Упражнение 11 на написание личного письма

Здесь находится упражнение 11 на написание письма личного характера.

You have received a letter from your English-speaking pen friend Paul who writes:

…My friends and I are doing a project about problems of large cities. What ecological problems are the most important for the place where you live? Why do you think it is important to save energy? What measures can be taken to reduce air pollution?..
…I bought a book about Harry Potter…

Write a letter to Paul.

In your letter:

• answer his questions
• ask 3 questions about his new book

Write 100-140 words.

Remember the rules of letter writing.