问题
选择题
—When did Hong Kong return to our motherland?
—____ July 1st, 1997. [ ]
A. On
B. In
C. At
D. For
答案
答案：B
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—When did Hong Kong return to our motherland?
—____ July 1st, 1997. [ ]
A. On
B. In
C. At
D. For
答案：B
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