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题目内容
（郑州工程技术学院-大学英语（2）.）
3.
Before going to bed, she _______ that the door was locked.
(A) insured herself
(B) assured
(C) assured herself
(D) insured
Before going to bed, she _______ that the door was locked.
(A) insured herself
(B) assured
(C) assured herself
(D) insured
参考答案