a boiled egg = a egg that was boiled 以及 a deserted car park = a car park that has been deserted请问 为什么下面一句要用现在完成时 而上面的只用过去时呢?2、过去分词的的完成式和被动式分别是什么呢? 谢谢!

a hard-boiled egg. A boiled egg in the morning is hard to beat. she ___already boiled an egg .she ___boiled an egg a minute ago.这里填什么?为什么? she____already boiled an egg.she ___boiled an egg a minute ago.填什么?为什么? a egg还是an egg a egg,the egg,eggs , a egg和an egg哪个正确? egg a boiled egg = a egg that was boiled 以及 a deserted car park = a car park that has been deserted请问 为什么下面一句要用现在完成时 而上面的只用过去时呢?2、过去分词的的完成式和被动式分别是什么呢? 谢谢! She_____(have)just boiled an egg. 鸡蛋的英语是EGG,那么一个鸡蛋是A EGG还是AN EGG look,there is 这里选a egg还是is egg还是an egg?inthe box. egg前面用a,还是an? a bird saw the egg first He made a duck's egg. One of them is a bad egg. it was a black egg翻译意思 关于so doer a hard-boiled egg.我刚刚完成一个听力练习.是这样的M：Although the man often plays a bad guy in movies,in real life he has a heart of gold.W：So does a hard-boiled egg.Qestion：What does the woman mean?A:The woman believ