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题目内容
（东北林业大学-大学英语3）
11. (单选题) The old woman has three sons ,and _____ are studying abroad now.(本题2.0分)
A、 A two of them
B、 B two of who
C、 C two of whom
D、 D of whom two
A、 A two of them
B、 B two of who
C、 C two of whom
D、 D of whom two
参考答案