"We can not afford limited progress. We need rapid progress," Ban said at the Third World Climate Conference in Geneva,        by the World Meteorological Organization (WMO).

        in her best skirt, the girl tried to make herself     at the party.   

Heroes are those who，given a choice between doing the right thing at great personal cost or the wrong thing for great personal benefit，＿＿＿＿the former.

______ with a moon rover(月球车) called “Yutu” (Jade Rabbit) , Chang'e-3 successfully landed on the moon.

I’m sorry to tell you that we decided __________ your plan.