The sales of drugs is controlled by law in most of countries.

Ralph Nader always speaks out about everything.

An Alzheimer patient’s incomprehensible ramblings will frequently upset family members, who may take the statements personally.

When preparing a diet, a person should be aware that vitamin D acts to increase the amount of calcium absorbed by the body.

Peter didn’t mean to be disrespectful to his teacher. He just couldn’t control his temper.

Did anyone acknowledge responsibility for the outbreak of the fire?

The twins look so much alike that no one can tell them apart.

I didn’t go to work this moring. I stayed at home because of the morning rain.

These were the people who advocated using force to stop school violence.

My parents’ warnings didn’t deter me from choosing the job of my dreams.

How many countries took part in the last Olympic Games?

You never really know where you are with her as she just blows hot and cold.

The first few days at university can be very daunting, but with determination and positive attitude, freshmen will soon fit in with the new environment.

If people’s interference with the environment decreases, more species will survive and produce offspring.

The shoplifter immediately admitted to her crime to the security guard.

The fer-de-lance, a kind of viper, is one of the most poisonous snakes.

The shop assistant was totally bewildered by the customer’s behavior.

Ask Mum for permission to go out now. She looks like she’s in a good mood.

Sports and festivals form an integral part of every human society.

The related publications are far too numerous to list individually.

She came to the meeting late on purpose so she would miss the introductory speech.