问题
选择题
9. “Do you have any questions ________ clear to you?” the teacher asked.
A．which are not
B．that isn’t
C．not to
D．To
答案
答案：A
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9. “Do you have any questions ________ clear to you?” the teacher asked.
A．which are not
B．that isn’t
C．not to
D．To
答案：A