I understand she还是her?为什么?

I understand she还是her?为什么? He said something () i didn't understand. I can not understand why she left the boy alone . I understand What he said c_____me.And I couldn't understand him. 连词成句almost,what,I,can,said,understand,he I told him many times but he failed ( )(understand)it. [ ]she didn't understand the words,she knew what he wantedA to B withC fromD by I can't understand ()she talked me括号里填what还是when .请说明一下它的句子成分.不用翻译 he could not understand what she found wrong with him.what 后面的 成分是understand 的双宾语吗 I found it hard ___(understand) him. 填什么?为什么?填to understand 还是 understanding? I、you、we、he、she后面是加teach 还是teaches i can't understand anything_____he says是what 还是that he or she may find it difficult to understand what people there are saying Now I think understand why.跟Now I think I understand why一样的意思吗?还是我想知道为什么? i`ve told her many time ,and she still forgot about iti understand .it`s true that she ___ be very forgotful sometimes是用can还是用would原因呢 I wonder you can't understand it. 还是 I wonder you that can't understand it错了 是 I wonder that you can' t understand it I think I understand