但我不懂.....--mary,why are you late again?--i'm sorry.My motorbike on the way hereA is broken B was broken C has broken--mary,why are you late again?--i'm sorry.My motorbike on the way here

但我不懂.....--mary,why are you late again?--i'm sorry.My motorbike on the way hereA is broken B was broken C has broken--mary,why are you late again?--i'm sorry.My motorbike on the way here 我想学英语.但我什么不懂, 这题很简单,但我读不懂, 英语翻译一朋友说的,但我不懂, 有人跟我说艾玛,但我不懂艾玛是什么意思 why?I'm very depressedwhy why why?虽然我有些挑食,但是我还是很喜欢吃.但为什么就是吃不胖? listen to my 我不懂,但我想知道 我已经高二了但地理完全不懂怎么办 我在SO COOL上看到过,但不懂呢! 抬土几个人抬?需几个筐?挑土呢?（数学&常识性）做题需~我搞不懂why? 狭义相对论我基本动了,但广义相对论一点也不懂!狭义相对论我基本懂了，但广义相对论一点也不懂！ J.Mary该怎么读?我起的英文名.但不知道怎么读好 why didn't 可以改成why not 我知道why don't you =why not但题目是过去式,这样可以替换吗 Mary ( ) have kept her word,I wonder why she changed her mind.A must B should C need D would.我知道答案是B ,但为什么选B,should不是用于第一人称吗,请详细说下should 和could的用法和区别? 我不懂. 我不懂. 我不懂? 我不懂.