一Which one can I take?一You can take      of  them;I’ll keep none．

People of different countries and regions, different nationalities and cultures have formed with solidarity an Olympic family, ______they have deepened understanding and enhanced friendship.

Surprisingly, Susan’s beautiful hair reached below her knees and made _____ almost an overcoat for her.  

God helps_____who help themselves.

There must be          wrong with the clock. It doesn't work.