i have made three ______ of this poem .用copy的适当形式填

问题描述:

i have made three ______ of this poem .用copy的适当形式填

copies啊 类似于two kinds of + 名词的单数形式的用法

i have made three _copies_____ of this poem

copies这里它作名词.意思是这首诗我抄了三遍.

I have made three _copies_ of this poem.