During the 2008 financial crisis，the French president Nicolas Sarkozy agreed to provide millions of emergency fund aid to help    unemployment．

You’d better put a cloth over the salad to ______ the flies for the sake of health.

I _____ her not to walk on the thin ice but she would not listen to me.

Could you please shut the door; the noise outside ______ the speaker’s voice.

These old buildings possibly ____ the Ming Dynasty.