why did not you catch the bus ____i told you to.a while b as c since d although 判断选择的原因.while as since although 的 区别.one tree after another went down cut down by the water ,which ___3 meters deep.a must have down b can be c can ha

why did not you Why did you know?Why this world will not perish? why did not you tell me?I () tell you can you tell me why you did not come yesterday还是can you tell me why did you not come Why did not you come last time?怎么回答 why did you not sent me back again 是why did not you had breakfast this morning?还是why did not you have breakfast this morning? why did you not work 和why didn't you work意思一样吗 why did you miss Why did you leave Do not know why,I secretly Fall in love with you,and you did not find. I did not understand why you did speak these words to me这句话的意思 why did not you do what i told you to do? Why didn't you take him?能不能说成Why did you not take him?这两种说法有什么区别? why did you tdlk like Why did you leave me why did you say goodbye why did you let it