It is bad manners in the classroom to look for what our 【M1】______ neighbor had written, or try to see what mark he has received

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问题 It is bad manners in the classroom to look for what our 【M1】______
neighbor had written, or try to see what mark he has received 【M2】______
without being permitted. It is good manners for them to help 【M3】______
each other if we have the same desire and the teacher allows to it. 【M4】______
In examinations and in certain kinds of written work, it is dishonest 【M5】______
and foolishly to help or to ask help from others. When one student 【M6】______
does so, much larger values are destroying. One may not agree 【M7】______
to examination system, but at present it is basically the only 【M8】______
measure that the teacher and the rest of the world can depend to 【M9】______
decide if or not each of us meets the requirement. 【M10】______
【M10】

选项

答案if一whether。

解析 考查if和whether在表“是否”时用法的区别。if不能与or not连用。
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