Why was the Great Wall built?-To ________ against enemies.[]

How dangerous!— Yes. I think the policeman should stop the childrensoccerin the street.

I’m thirsty now. Would you please give me water to drink

Tens of millions of Internet users make mostof the half-price promotion and it isgoodopportunity for online shopkeepers to get their names known.

__________ I saw her, I fell in love with her.[ ]