----Which is _______ to understand, this book or that book?---- I think both of them are quite easy.

— What do you think of the play?— I enjoy it very much. It’s the ______ one I have ever seen.

 Professor White has written some short stories, but he is_______ known for his plays.

The Voice of China became one of _________ TV shows last year.

I think there will be ______pollution and ______ cars in the future.

Someone says "Time is money. ” But I think time is _________ important than money. 

— Peter is _______ than you, right? —Yes, but he is _______ runner in our class. 

—I don’t know which skirt was ______, so I took them both.—Yes, it’s really difficult to choose.

The Changjiang River is one of ________ in the world.

–Why do you like climbing mountains? --Because they are there and climbing is _____thing I have ever done.

I’m very proud of that Beijing is one of __________ cities in the world.

Mrs Smith has got _______ instead of getting any better.

If there are _______ people driving, there will be ______ air pollution.

—My friend Lily always thinks        anyone else.—Oh, she is a thoughtful girl.

—Why don’t you drive to work today?—Sometimes riding is even          than driving during the busy traffic time.

Hainan is a very good island. It’s the second ________ island in China.

The boys are ______this year than they were last year.

If there are ____trees, the air in our city will be ____cleaner.

Lucy didn’t make mistakes in the math exam. She is _____ in my class.

一Who do you think is _______  actor?一I think Zhao Benshan is．