three tons of coal后面用is 还是are
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/18 05:06:27
threetonsofcoal后面用is还是arethreetonsofcoal后面用is还是arethreetonsofcoal后面用is还是are用are因为tons是复数
three tons of coal后面用is 还是are
three tons of coal后面用is 还是are
three tons of coal后面用is 还是are
用are因为tons是复数