is parents’ job clean and comfortable environment at home.

How can we protect ourselves _____ the earthquake —First, we should keep calm when it happens.

He was an unselfish and _____ man who was always willing to help in any way he could. [ ]

She made it quite clear that she was no longer going to______my selfishness and moodiness. [ ]

Your desk is crowded with too many unnecessary things,including used papers and books.You’d better________some of them.[ ]