For the students younger than 21, ______.A．they are the favorite customers of the credit c

She is（) younger than she looks.

Over the past four years, more than half of students in the high school caught receiving t

More than five－thousand secondary school students have been______for cheating.A．explodedB．

Why does the man want to move out of the students dorm？A．The apartment is cheaper than the

He is younger than ____.

Many teachers believe that the responsibilities for learning lie with the student.【21】____