Кто хорошо разбирается с английским,помогите пожалуйста решить вот это задание,заблаговременно

1 Oil is lighter than water.
2 we shall wait for a drier day to go to the market.
3 Take some of these sweets: they are very nice. They are nicer than the sweets in that box.
4 The customer did not like the explanation, and as he listened to the shop-assistant, he became angrier and angrier .
5 The most expensive things are sold in this shops.
6 Please be more careful next time and count the change.
7 As he went on, the box became heavier and heavier.
8 Every day the air becomes