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.
извини первое не знаю как
2) the Message was already sent when the new information arrived.
3) Photos will be taken by the time the exhibition opens.
4) Our new product has not been developed yet.
5) This exhibition was already closed by the end of last week.
6) three important messages were received Today.
7) the Report will be written by this weekend.
8) the Manager will be informed of the arrival of the delegation by tomorrow.
9) the Factory has not yet produced this product.
10 .by the time we decided to swim, the water in the pool was already hot.