be difficult
be difficult
be difficult doing英语翻译
是be difficult to sb 还是be difficult for sb?
be difficult后加什么?
prove difficult 和 prove to be difficult 有什么区别?
英语翻译A that difficult B it difficult C that be difficult D it
____(predict)the future can be difficult
be+形容词(difficult) to do something造句
翻译:Geting places can sometimes be difficult.
Drops to be very difficult是什么意思
Predicting the future can be difficult.
有be difficult to 3Q