问题
选择题
—Has Mr. Black decided not to take part in the party?
—Yes. But the reason______he refused the invitation is not clear.
A．what
B．for which
C．with what
D．which
答案
答案：B
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—Has Mr. Black decided not to take part in the party?
—Yes. But the reason______he refused the invitation is not clear.
A．what
B．for which
C．with what
D．which
答案：B