Many parents believe if their children use the mobile phone ,it will be of great help to their study...
2022-09-14 13:21:04 39次 温州市2019-2020学年九年级上学期期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Many parents believe if their children use the mobile phone ,it will be of great help to their study.
A.calmly B.quickly C.politely D.properly
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