请问为什么是用use to be 还有use to

请问为什么是用use to be 还有use to Did you use to go to the same school as your brother?请问为什么是use to 而不是used to 请问use to,used to,be useed to的用法 请问bamboo is used （）house in some place.为什么是to build,可以用to be built吗?为什么? use短语分辨,be use to do ,get use to doing,use to do,还有什么呢.就是几个差不多的,但又有很大区别, 句型转换be use to的替换词是什么be use to用什么词代换? 为什么用welcome的进行时?we hope to have the opportunity to welcoming u in Bejing and show u.为什么是welcoming不是welcome? should there be any other way in which we can be of help,please feel free to let us know. can be of help =can be be used to和be use to i'm sorry to be so short-temperesed为什么是过去式..还用AM还有为什么有2个BE动词. To Be of Use 歌词 be simple to use 英译汉 Much remains to be done 为什么是用单数 which provide u use to feed up? warning C4996:'scanf':This function or variable may be unsafe.Consider using scanf_s instead.To disable deprecation,use _CRT_SECURE_NO_WARNINGS.为什么是不安全的? use的各种用法be use to dobe use doing be use foruse to dobe use to doing等等等等, can you show me how to use the washing maching这句话中how后面为什么是用不定式to use,而不是直接跟动词原形use或者using? （ ）the first to use nuclear weaponsA.At no time China B.At no time be China C.At no time will china D.China will no time be答案为什么是 CC加个be use to 和be use to的区别?