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___I haven't got a camera!___you should buy ( ),it's useful!A it B one C that

题目详情
___I haven't got a camera!
___you should buy ( ),it's useful!
A it B one C that
▼优质解答
答案和解析
选B
在一段对话中或文章中,为了避免重复,常用代词代替上文中已出现的名词.当代指同一类事物(不是同一个)时,代词用one;当代指同一个事物时,代词用that