About seventy percent of the earth         with water.

--Do you know Mr Black _    _ by the police? --Yes. He’s believed to have killed a woman~

In the first half of the match, Number 52 Middle School _______ us 5-3, but at last our team _______ the match.

I live in a city  ____  shijiazhuang.

Food safety is important. Rules must ________ stop people from food pollution.