It is quite rude to_____other people behind their backs.A．do overB．do upC．do downD．do with

______ is quite difficult for Mary to pass the interview.A．WhatB．ThisC．ThatD．It

Once a picture is proved to be a forgery, it becomes quite ______.[2004]A．invaluableB．pric

Once a picture is proved to be a forgery, it becomes quite______. （2004年考试真题）A．invalu

He is finally determined to quit smoking for he knows that it may_________ hishealth

The man is _____. He is rude to others.A. politeB. impossibleC. impolite

It is rude to _____ people when they are talking.A.interfereB.interruptC.interpretD.in