either dys or oil paints___to color coth. A.is used B. be used C.are used D .was usedeither dys or oil paints___to color coth. A.is used B. be used C.are used D .was used 求解~!

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either dys or oil paints___to color coth. A.is used B. be used C.are used D .was usedeither dys or oil paints___to color coth. A.is used  B. be used  C.are used  D .was used   求解~!

either dys or oil paints___to color coth. A.is used B. be used C.are used D .was usedeither dys or oil paints___to color coth. A.is used B. be used C.are used D .was used 求解~!
either dys or oil paints___to color coth. A.is used B. be used C.are used D .was used
either dys or oil paints___to color coth.
A.is used B. be used C.are used D .was used
求解~!

either dys or oil paints___to color coth. A.is used B. be used C.are used D .was usedeither dys or oil paints___to color coth. A.is used B. be used C.are used D .was used 求解~!
AD都可以,either or 就近原则,肯定是单数,被动.
具体是过去时还是一般现在时,我们需要语境才能做出判断

您好,楼主!!
刚弄错了!
一般性描述(主语加了s) 所以用现在时态 either or 所以用主语的数的形式 所以选C
祝楼主学习进步!