题目内容
—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
B
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题目内容
—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
B