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no sound为什么不加s His lisened carefully,but there was no sound

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/16 14:42:57
no sound为什么不加s His lisened carefully,but there was no sound in the room 为什么不加s
还有voice和sound的区别
sometime为什么是某时
no sound 也可加s,不过was应改为were:理由, no 置于可数名词单数前面时,相当于 not a;放在可数名词复数前面或不可数名词前时,相当于 not any,意为“没有的,全无的”、“远非的、完全不是的”。例如:
No teacher and no student has come yet. 教师和学生一个都没有来。
Kate is no teacher.(=Kate is not a teacher.) 凯特根本不是教师。