Ответ:

А) To my mind, you should not use plastic bags because they take a long time to decompose and damage the environment.

B) I agree that plastic bags are bad for the environment. How about using paper bags? They decompose much faster than plastic.

А) I don't think paper bags will fix the situation, because you will have to cut down a lot of forests to create them. It is also harmful to the environment.

B) You are absolutely right, I didn't even think about it.

А) I believe that string bags and cloth bags will save the world. They are reusable and do not harm the environment. Moreover, they are much stronger than paper and plastic bags.