――Did they offer us enough books?――　_____ than we had expected.

Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistakes becomes ______.

—Are you pleased with what he has done?—It couldn’t be____. Why didn’t he put more effort into his work?

Now the Chinese eat      as they actually need every day.

Within five years，cars will be a lot          in our country．