有关be to do sth.句型相关题目

有关be to do sth.句型相关题目 用be supposed to do sth句型造十个句子 英语句型区分be used to do Sthused to do Sthbe used for doing Sth 英语句型.sb be interesting to do sth sb be interested in doing s 主动表被动的句型有哪些?have sth to do 和have sth to be done有什么区别? be happy to do sth be let to do sth be surprised to do sth be able to do sth be obliged to do sth. be going to do sth be willing to do sth