Задание №2. Используйте must или mustn’t .
1. We ………… speak with our mouth full.
2.We ………… put the table napkin on our knees.
3.We ………… reach (тянуться) across for the salt.
4.We ………… use the fork and knife properly.
5.We ………… put our elbows on the table.
6.We ………… wave (махать) the knife or fork in the air.
7.We ………… eat noiselessly (бесшумно).
8.We ………… wash our hands before we eat.