The reason_______ so many people rushed to California was ______ another gold mine was found in California.
Mr Smith, ________of the _________speech, started to read a novel.
Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.
All of us still remember the terrible earthquake that _______Tangshan twenty years ago.
The College Entrance Examination __________near, so you should be prepared for it.
— Is he said ____ his car lost? — Yes. He was so foolish ____ leave his car ____.