题目内容
It was from May 1 to October 31,2010____________the World Expo 2010 Shanghai will be held, _____________is a great event for the Chinese people.
| A.when; that | B.that; when | C.which; when | D.that; which |
D
第一空that构成强调句型;第二空which引导非限制性定语从句,并充当其主语。
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