Drug abuse is having a serious impact as a social problem.

His actions exerted a great influence on our plans.

This problem is very serious.

Do you understand the seriousness of this problem?

He was arrested for drug abuse.

He was misusing the company's funds.

It was revealed that he had been misusing the company's funds.

His opinion had a big influence on my decision.

That news greatly influenced his opinion.

Can you answer this question?