is it broken 这个为什么不是 was it broken?我知道这个是被动语态

is it broken 这个为什么不是 was it broken?我知道这个是被动语态 Tom’s bike is broken.It needs (repairing)为什么要填repairing,不是被动吗 两道关于高中英语-虚拟语气的单选题,1.When a pencil is partly in a glass of water，it looks as if it （ ）breaks has broken were broken had been broken选C。为什么不是was broken呢2.I tried to get through to her but she simply just now 前面不是用一般现在时吗,为什么选A---May I use your cup,Tom?---Sorry,it ________ by my sister just now.A was broken B is broken C broke What is moreuseful after it is broken? when a pencil is partly in a glass of water,it looks as if it_Abreaks Bhas broken Cwere broken Dhad been broken为什么选c What color is it?这个句子is为什么在it前面?为什么不是What color it is?或What is color it?实在搞不懂阿. The window got broken.Whose fault is it?fault 为什么不能换成mistake The radio that I bought -----last week is broken.为什么可以不用填我想填it When a pencil is partly in a glass of water, it looks as if __A breaks B has broken C were broken D had been broken我知道正确答案是C,但不知道为什么要用were,pencil 不是单数吗? when a pencil is partly in a glass of water,it looks as if it were broken 为什么用partly? my watch ＿ i'll have it repaire a.was broke b.broken c.broken down d.is worn为什么选C不选A? The flowerpot is broken,who knocked it over?为什么用over不能用off吗?为什么用over不用off？ junk this thing.it's broken 里面的BROKEN是过去分词还是过去式?IT'S BROKEN 可以写成 IT IS BROKEN吗? What is more useful after it is broken? what is more useful after it is broken? When my heart is broken,is it needed to fix? when my heart is broken ,is it needed to fix?