It is difficult to tell exactly ____ the saying began, but i
Is difficult to forget the past~But i know it's hard but i g
I don't know why,but it is exactly the truth.It is never too
The passage tell us “It's easy to say ,but it's difficult to
The twin looks _____ each other.It’s difficult to tell ____.
--You should say sorry to her.--____.But it is difficult for
简单的英语语法提问!I think,is difficult to learn it,but I decide to l
It is difficult to find the time with my schedule,but it is
i know it is i( ) difficult to run a marathon ,but i still w
the problem is very difficult,but he worked it out ____ a la
It was only after I read the book again ____ I began to like
单选题17、I wanted to tell her exactly what I thought,but I_____
The twins are so much alike that it is difficult to tell one