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题目内容
（陇东学院-大学英语1(专升本)）
15. (单选题) Since William had been seriously ill for several months, his parents were worried about ________ to return to school full-time.(本题2.5分)
A、 he wanted
B、 he wanting
C、 him to want
D、 his wanting
A、 he wanted
B、 he wanting
C、 him to want
D、 his wanting
参考答案