I became a student ten years . I have been a student 1996. I have studied here about 10 years.A. ago, since, for B. ago ,for ,since C. ago, before, for D ago, in, after
Please return the book on time after you finish _______ it.
Henry, please call us as soon as you _______ China.
Let’s call up Tim and invite _______ to play football.
Look, David is writing _______ left hand.
Students who _______ to the party are very excited.