Their complaints to the head office should be sent.

My book is not as expensive as yours.

Joe does a lot of exercise. He's still very fat.

We gain more knowledge about how to stay safe online. We worry about the threats of cybercrime less.

They were exposed to biased information, so they didn't know the true story.

Due to the heavy snow, all buses have been cancelled until further notice.

The demand was so great. They had to reprint the book immediately.

The train should be here any minute now.

Darwin/ who/ be/ famous/ English/ scientist/ develop/ theory/ evolution/.

No one but the experts was able to realize that the painting was in imitation. It greatly resembled the original.

I write to my friends overseas regularly. I don’t want to lose touch with them.

They don’t let the workers use the office telephone for personal calls.

I usually drive to work, but today I go by bus.

The number of accidents has gone down steadily since the speed limit was imposed.

Their holiday plans fell through because there was a shooting at their school on Valentine's Day.

He is very intelligent. He can solve all the problems in no time.

Overeating is a cause of several deadly diseases. Physical inactivity is another cause of several deadly diseases.

When the birth rate is high, the expectation of life is low.

The student was very bright. He could solve all the math problems.

"If I were you, I'd ask the teacher for help" he said.

It’s undeniable that the Internet plays a vital role in our life nowadays.