There are people who always wait until the last minute,and make it much harder than it needs to be.And then there are those who,not knowing what questions are coming at them,and having no resources to refer to,can freeze.
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那在who和can freeze中间的那些是啥?
中间的这些东西为啥会用逗号来隔开?
追答伴随状语,标点符号的应用你可以看看字典后面的介绍。
追问那第一个and是什么作用?
追答and就是一个连词,前后都是现在分词短语,并列结构。
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