Antibiotics don't work for colds, so rest is the best.

This drink contains additives.

When making bread, you need a leavening agent.

It is important to use mouthwash every day after brushing your teeth.

Choosing the flooring for the new house is difficult.

He couldn't answer the phone because of his absence.

This building is made of high-quality building stone.

He was entrusted with the receivership of the company.

On sleepless nights, I sometimes take a soporific.

I think he is the right person for the job.