简答题 Life is meaningless without a purpose.

简答题 This new country hopes to establish friendly relations with all its neighbours.

简答题 What kind of life do most people enjoy?

简答题 How are you doing these days?

简答题 As is known to all, China is the largest developing country in the world.

简答题 I knocked on his door but nobody came to answer it.

简答题 My classmate is much cleverer than I.

简答题 You'd better do that again.