The experiment has____ the possibility of the existence of any life on that planet, but it does notmean there is no life on other planets.[ ]

Jacky is so careless. He mybooks and pens the floor when hewalked past my desk just now.

He slipped and had his leg broken.,he will have to be away from school for two or three months.

The result was far beyond _____we had expected, ____brought great joy to every one of us.

Mr. Black _____ Shanghai in a few days. Shall we have a party? [ ]