问题
选择题
Mary can speak Chinese fluently, _____ impressed me most.
A．why
B．that
C．where
D．which
答案
答案：D
which在句中引导非限定性定语从句。
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Mary can speak Chinese fluently, _____ impressed me most.
A．why
B．that
C．where
D．which
答案：D
which在句中引导非限定性定语从句。