I.单项选择 (15分)
( ) 1. The children are waiting_____ the bus-stop_____ their teacher.
A. for, at B. at, for C. at, at D. for, for
( )2 . —They didn’t come to school late, did they?
—________. The angry teacher asked them to come earlier next time.
A. Yes, they did B. No, they weren’t
C. Yes, they were D. No, they didn’t
( )3. —She’s really good, isn’t she?
