Should and shouldn't.

We ... plant more trees.

• should

• shouldn't

We ... cut down trees.

• should

• shouldn't.

We ... recycle bottles and cans

• should

• shouldn't

We ... save water while washing the dishes.

• should

• shouldn't

We ... light campfires in the forest.

• should

• shouldn't

There are ... brownies

• some

• any

Thre aren't ... bananas

• some

• any

There aren't ... carrots

• some

• any

There are ... sandwiches

• some

• any

There aren't ... cookies

• some

• any