Xi’an is one of ______ capital ______ in China.

Don’t you agree with what he said at the meeting?——Yes, _____! It can’t be better

I am ____ years old today. And my parents have a party for my _____ birthday.

Hello! I’m very glad to see you.When_________ you_________ here?

He finds it hard to keep _____ with thechange of society if he stops learning