ired man donated most of his savings to the school damaged by the earthquakein Yushu ,________the students to return to their classrooms.

Stop smoking, _________ you’ll get better soon.

Are you familiar with the music — Yes. There was a time _____ this kindof music was quite popular.

My sister,as well as her classmates who___late for class,____criticized by Mr. Hunt.[ ]

_____ to read the text in class,Jefferson just kept ________.