首先解释一下这几个短语,used to do 习惯做什么,be used to do sth...是用来做什么的 ,not only but also不仅.而且,
with one's help 在.的帮助下,neither nor不是.也不是.,either or 是.或者.
Tom used to wake up at 7:00.Tom过去常常早上7点起床
this kind of oil is used to smooth the surface of floor.这种油是用来润滑地板表面的
use还有一种用法be used to doing习惯做.he is used to going to school at 8:00他习惯早上8点去学校
It's not only a challenge but also a chance.这不仅是一个挑战,也是一个机遇
With his help,I pass the exam.在他的帮助下我通过了考试.
Neither Tim nor John will join the club.Tim和John都不会加入这个社团(既不是Tim也不是John会加入这个社团)
It's either Tim or John who will help me with this task.不是Tim就是John会在这个问题上帮助我