有be difficult to 3Q
有be difficult to 3Q
prove difficult 和 prove to be difficult 有什么区别?
请问有be difficult to do sth 这个词组吗?
At first it will be difficult,___ as you start to get some q
是be difficult to sb 还是be difficult for sb?
difficult to do /to be done
be+形容词(difficult) to do something造句
Drops to be very difficult是什么意思
be willing to do sth difficult是什么意思?
() that he found it difficult to stop at the red light .3Q
be difficult
The problem is difficult ________.3Q