He is _______ small _______ to school.[ ]

I have some tickets for the basketball match. I wonder ______.

Do you know the man ________ visited the United States in February? –Yes. He is Chinese Vice-President Xi Jinping. He said it was his _______ visit to the United States.

________ girls are there in you r classroom? —There’re thirty-one.

The population of China is ______ than ______ of Japan .