问题
选择题
October 1, 1949 was the day ________ the People’s Republic of China was founded．
A．which
B．when
C．where
D．in which
答案
答案：D
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October 1, 1949 was the day ________ the People’s Republic of China was founded．
A．which
B．when
C．where
D．in which
答案：D