当你的老师向你介绍一位新同学时,你应对你的新同学说:________________________
Finish your homework first, then you'llsurf the Internet for half an hour.
Good manners can make peopleeach other.
—Did you use to have long hair or short hair, Sally? —
Please tum to Pageand read thestory.
is one of the four great inventions of ancient China.