It’s traditional in China to firecrackers on Spring Festival. —-But the serious smog（雾霾）nowadays needs us to stop it.

The flood _____ about _____ people since it happened.

. Jay Chou is _______ that teenagers are all crazy about him.

will he finish his homework? －In twenty minutes. [ ]

I’ll never forget the day_____ the great scientist came to our school and gave us a speech.