问题描述：
关于状语从句和强调句
Was it at the meeting on September 20 2007,______ was held in Xi'an,______ Zhou Liang made a speech?
A.when;that
B.which;where
C.which;that
D.that;where
Was it at the meeting on September 20 2007,______ was held in Xi'an,______ Zhou Liang made a speech?
A.when;that
B.which;where
C.which;that
D.that;where
问题解答：
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