what cause the certificate craze on campus ?什么意思啊?各路大神帮帮忙

What are the cause of sex discrimination? what problem does the large population cause? what is the cause of.what 作主语吗 what were the cause of the war of the Independence? What was the cause of the American Civil War? what cause the movement in the aggregate demand curve 用英文回答what is the cause of water pollution? do you know what（ ）（ cause）the traffic accident What do you think ______(cause) the traffic accidents what did cause the fire? 对吗?什么意思? what cause English to be the international language不是翻译 what cause tsunamithanks What problems can it cause to the people there?给出英文回答there was a snowstorm in sunshine town。What problems can it cause to the people there? The main cause of the “greenhouse effect” is what kind of pollution? What was the most important cause of the industrial revolution in Britain?用英文回答! Would you like to tell us what the cause of the fire? the flavor of the moment cause she don't have what's the cause ___he failed the driving test is what i thought before.用why 还是that