a pair of glass是单数还是复数?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/05 15:00:08

a pair of glass是单数还是复数?
应该是a pair of glasses

是单数,表示一副眼镜.谓语单词用单数,如There is a beautiful pair of glasses.

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