Напишите письмо: you have recieved a letter from your english-speaking pen friend, paul. we had a class where we discussed different ecologicak problems. our teacher suggested opening an eco-club, where we can do something useful for the ecological problem do you consider the most serious? what can young people do to protect the environment? do you think ecological problems should be discussed at school, and why? write him a letter and answer his 3 questions. write 100-120 words. remember the rules of letter writing.