The new airport has been in _______ for two years and it _______ to be a quiet place.

Do you know the people _______ came to the party yesterday?— No, I know none of them.

There are many pears ______ the tree, but there aren’t any birds ______ it. [ ]

It’s half past four. School is over. The children___ games happily on the playground.

The population of China is _______ than that of _______ country in the world.