How is it that you know she’s got back from the UK? —She ____ when I came out of the house this morning.

He said that only after he went abroad _______ what his motherland meant to him.

You’d better hurry up, my boy.—- Just a moment. It won’t _____ me long to change my clothes.

Every minute about ____ babies are born in the world, so the world’s population is increasing by _____million every year.

On National Day there are more than fourpeople in the park.