prove to be difficult是什么意思?
prove difficult 和 prove to be difficult 有什么区别?
The operation proved to be very difficult这句中的prove是什么意思?它和Th
Drops to be very difficult是什么意思
be willing to do sth difficult是什么意思?
用prove to be词组造句
be difficult for him to give up smoking是什么意思
Why not worth to prove anything是什么意思
His advice (prove)to be wrong after two weeks.
Nothing can be better than take actions to prove everything
英语:关于prove to be 的被动语态,)
He knew it would not prove difficult to find a stranger in a
是be difficult to sb 还是be difficult for sb?