One of our rules is that every student          wear school uniform while at school.

 I didn’t know Headmaster Weng was away for Beijing. I       to his office yesterday.

—We want someone to design the new art museum for us?—          the young fellow have a try?

The teacher propose that Jack   ___ maths or physics instead of English because he was quick at numbers.

According to the latest study，most traffic accidents     be prevented if drivers are careful enough．