应该是加s的,除非是过去式,过去式cost还是cost
要不就是前边应该是spent
句型转换：I spend ten yuan on this book.this book cost me ten yuan .
句型转换：I spend ten yuan on this book.this book cost me ten yuan .
答案中的cost为什么不加s,会的来
答案中的cost为什么不加s,会的来
英语人气：227 ℃时间：2020-02-10 03:48:03
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