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题目内容
（赤峰学院- 综合英语II(专升本)）
12. (单选题) —Look at these tracks. It _____ be a wolf.
—It needn.t be. It _____ be a fox.( )(本题3.5分)
A、 must; could
B、 may; might
C、 need; must
D、 could; need
—It needn.t be. It _____ be a fox.( )(本题3.5分)
A、 must; could
B、 may; might
C、 need; must
D、 could; need
参考答案
