问题
选择题
_______ is well known _______ Hong Kong returned to China on July 1st, 1997.
A．It, that
B．As, /
C．As, as
D．It, which
答案
答案：A
it 为形式主语，其后的that从句为主语从句。
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_______ is well known _______ Hong Kong returned to China on July 1st, 1997.
A．It, that
B．As, /
C．As, as
D．It, which
答案：A
it 为形式主语，其后的that从句为主语从句。