______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
To make room for teachers’ correction, the students had better write their composition _____.
Cleaning women in big cities get __________ by the hour.
_________ the letter, tears kept coming to her eyes.
He is ________ a friend to me. He is in a way my English teacher.
Not until my mother came back_________ go to bed.