因为work作为工作讲是不可数名词,前面不能加a的
祝你学习进步O(∩_∩)O哈!
如果对你有所帮助,还望采纳O(∩_∩)O哈!
如还有不懂的,还可以继续追问哦(^o^)/~
_____ is ____ hard work.A.study;a B.studies;a C.studying;a D
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