问题
选择题
—Could you please tell us_________ the World EXPO in Shanghai? – In July.
A．when you visited
B．why you visited
C．when did you visit
D．why did you visit
答案
答案：A
tell后跟的是从句，应该用正常的顺序，故不选CD，回答语表示时间，故本题选A。
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