Role play. Ваш одноклассник/одноклассница побывали в гостях у своих зарубежных друзей. Друзья устроили для него/неё детскую вечеринку.

— Did you buy a gift?
— Yes, I did. t was a nice gift.
— Did you wear fancy costume?
— No, I didn’t.
— Did you make a cake?
— Yes, I did. My friend liked the cake.
— Did they decorate the room?
— Yes, they did. The room was beautiful.
— Did you play games?
— Yes, we did. We played interesting games.

C=√(a^2+b^2) = √(8^2+14^2)≈16 см.