—Excuse me, Maria. May I borrow your pen? —Sure. Here you are. But you must return it _____ time. A....
2022-09-24 15:12:32 41次 福建省龙海市2018-2019学年七年级下学期第一次月考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Excuse me, Maria. May I borrow your pen?
—Sure. Here you are. But you must return it _____ time.
A. in B. at C. on D. to
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