PET必默661单词 第12轮（第221-240词）

He is a famous poet.

The policeman helped the old man.

The postman delivers letters every day.

Regular practice is important.

My younger brother goes to primary school.

He is a professional actor.

This computer program is very useful. I watched a good TV program last night.

We are working on a science project.

The teacher asked the pupils to sit down.

His degree is a qualification for the job.

The receptionist answered the phone.

The reporter wrote a news story.

He is doing research on climate change.

I wrote a review of the movie. We need to review what we learned.

You should revise before the exam.

She can speak Russian. This is a Russian book.

Science helps us understand the world.

The Martian is a good science fiction.

The scientist made a great discovery.

This is a simple sentence.