—Has Mr. Black decided not to take part
题型:选择题
问题:
—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
—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