题目内容：
57. You _ return the book now. You keep it till next week if you like. A. can.t; can B. mustn.t; may C. needn.t; can D. may not; must
参考答案：
选择题：57. You _ return the book now. You keep it ti
- 题目分类：新疆师范大学2021级学生第一学期结业课程考试《大
- 题目类型：选择题
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A. can.t; can B. mustn.t; may C. needn.t; can D. may not; must