China has achieved remarkable economic development in the past 30 years.

I saw many excited supporters outside the stadium.

Yesterday afternoon, I ran across my former English teacher.

I agree with the idea that anime is part of Japanese culture.

Watching TV can inhibit children’s ability to pay attention for long periods of time.

Please help yourself to whatever you like.

Human beings are not the only animal that can use language and tools.

The day will soon come when robots will do various kinds of work instead of human beings.

The reason why everyone comes to like him is that he is very kind and honest.

Only those who had finished the exam could leave the room.

The doctor will get home in thirty minutes.

He was foolish to do such a dangerous thing.

Thanks to John’s assistance, I was able to meet the deadline.

Nowadays, I rarely watch TV and I spend a lot of time on the Internet instead.