October 1st, 1949 is the day the People’s Republic of China was founded. A. on whichB. i

发布时间：2020-08-17 13:16:40

October 1st, 1949 is the day      the People’s Republic of China was founded.
A. on which
B. in which
C. that
D. which

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(答案→)A. on which
B. in which
C. that
D. which
解析：考查定语从句。on which=when指代先行词在从句中做时间状语。
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