Combine the sentences using and or so that. Add a comma where necessary.

We should turn off air conditioners when we leave a room. We can save electricity.

A. People should take quick showers and they won’t waste water.

B. People should take quick showers so that they won’t waste water.

C. People should take quick showers or they won’t waste water.

D. People take quick showers, so that they won’t waste water.

A. Mathew

B. Karim

C. Lin

D. Sarah

A. gets

B. getting

C. will get

D. won’t get

A. We shouldn’t throw trash into rivers and lakes, so that we help clean the environment.

B. We shouldn’t throw trash into rivers and lakes or help clean up the environment.

C. We shouldn’t throw trash into rivers and lakes, and we should help clean up the environment.

D. We shouldn’t throw trash into rivers and lakes so that help the environment.

A. People should learn how to recycle things and they can reduce land pollution.

B. People should learn how to recycle things, or they can reduce land pollution.

C. People should learn how to recycle things so that they can reduce land pollution.

D. People learn to recycle things, and they reduce land pollution.

A. If we will recycle more, we are able to protect the environment.

B. If we recycle more, we will be able to protect the environment.

C. If we recycle more, we are able to protecting the environment.

D. If we recycled more, we would protect the environment.

A. People should recycle plastic bottles and reuse glass bottles.

B. People should recycle plastic bottles so that reuse glass bottles.

C. People should recycle plastic bottles, or reuse glass bottles.

D. People recycle plastic bottles and glass bottles.