题目内容
It is natural that____ student doesn't know some answers to____ questions raised by their teachers.
A.a; a B.a; the C.the; a D.the; the
B
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题目内容
It is natural that____ student doesn't know some answers to____ questions raised by their teachers.
A.a; a B.a; the C.the; a D.the; the
B