Circle the correct answer
1. The plane ____ showed the passengers what to do in case of an emergency.
A. team B. staff C. crew
2. The terrible fire left bildings ___ ruins.
A. On B. In C. By
3. Cars and factories produce toxic ____ that harm the eviroment.
A. Fog B. Fumes C. Flames

1. The plane C. crew showed the passengers what to do in case of an emergency.

2. The terrible fire left buildings B. In  ruins.

3. Cars and factories produce toxic B. Fumes  that harm the environment.