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It is from May 1 to October 31, 2010 the World Expo 2010 will be held, is a grea

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It is from May 1 to October 31, 2010 the World Expo 2010 will be held, is a grea

It is from May 1 to October 31, 2010 _________ the World Expo 2010 will be held, _______ is a great event for the Chinese people.

A.when; that               B.that; when         C.which; when          D.that; which

试题答案

D