She will get irritated if the kid __________ asking such silly questions.

It is illegal to __________ toxic waste into the river.

Some old farming methods have negative effects __________ the environment.

Acid rain has __________ great damage to our crops.

We can't see stars at night __________ light pollution.

She

You can't go out tonight unless you

She would be a good leader if she

Carol would be lonely if he

What