To make our city greener and cleaner, we need ______ trees.

This dictionary is pretty cheap. The price of it is _________ of the three.

My sister is ________than I

-- Are you feeling a little better?  ---No, I am feeling even ______.

Mr. Smith is handsome and kind and he is one of _______ in our school .

--- Steve is good at writing stories. --- So he is. But he writes ____ than us. So he can get good grades in writing.

It’s ______ today than it was yesterday.

The number of the students in our class is _______than _______in yours.

—Do you like the film 13 Flowers of Nanjing(金陵十三钗)？—Yes, I do. In fact, I've never seen a _______one.

---Mum, could you buy me a dress like this?  --Certainly, we can buy _______ one than this, but ________ this.

One of ________ doctors in America will visit our hospital and give us a report.

They can do the work better with _____ time and _____ people.

Mr. Brown has ________ children. And Mary is _______ one.

Mille picks _________ apples than Amy on the farm yesterday.

They want to make more cars with ______ workers and ______ money. I think it’s impossible.

Beijing is _______ capital of China. And it's one of _______ in Asia.

If there are         trees, the air in our city will be         cleaner.

We hope that with the help of the new skill, Liu Xiang can run ________than before.

In my opinion, he is the second _________  sportsman in the world.

We can do      things with       money and       people.