potatoes turn green when exposed to light.exposed是过去式还是过去分词 为什么要加d

Turn green potatoes turn green when exposed to light.exposed是过去式还是过去分词 为什么要加d turn green 的意思 英语翻译You know how potatoes can turn green if they are left in the light too long?And that greenish skin can make the potato taste bitter; even make you ill. turn sb green啥意思? Leafs turn green in spring. ( )turn green in spring.(grass) Ten leaf turn green in L___ turn green in spring turn traffic lihrs green是什么意思 72.答案上是turn green 写成become green对吗 Trees and grass turn green这个turn怎么理解 It will turn green.turn能换成become吗?为什么 these trees turn green.这里的turn该怎么解释? It will turn green.这里为什么用turn不用become in,turn,the,spring,trees,green When spring comes,t_____ all turn green wait for the light to turn green.