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英语
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Our classmate often keep in touch with each other on the phone
此句中是用classmate还是classmates
字典上:Be those your classmate?那些是你的同班同学吗?
请问classmate是可数名词还是不可数名词?
人气：276 ℃ 时间：2019-10-10 06:24:09
解答
classmates 因为后面是keep不是keeps
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