— Sorry, Mr. Green. Jim can't take part in the relay race because he's ill.— It doesn't matter. I'll ask ___ to go instead of him.

The grain output is 8 percent higher this year than _______ of  last  year.

He thinks himself somebody, but we think him __________.

There must be ______ book which could help .

Some people prefer to work and live in Chengdu, for the price of an apartment is less than half of ________ of big cities like Beijing, Shanghai, and Guangzhou.