it is difficult to understand.中的to是什么词
it is difficult to understand.中的to是什么词
It is difficult to understand what she has said
it is difficult to understand scotish people if you () their
it is difficult to make myself(understand)in that place.
why is BBC so difficult to understand?
which letter is difficult to understand
Which letter is difficult to understand?
why is American humour difficult to understand?
The woman is difficult to understand
英语翻译It is difficult to get a man to understand something whe
It is difficult for people to understand his action; you can
I found it is very difficult to understand what the foreigne