It is difficult for us to make f_____about the future Predic
it is difficult for us to get to the t_____of the mountain w
The problem is too difficult for us to solve it. 这个句子里面的it 为
It is difficult for us to finish writing the compositionin a
1、The maths problem is too difficult for us to ( ).A、work it
为什么The exercise is too difficult for anyone of us to do it?错
根据首字母填空It is difficult for us to tell the three d( ) between
it is difficult for us to learn a foreign langua
it is difficult a book for us
This question is too difficult for us.Could you make it ____
it is only the chance for us to make that change.Obama为何说“th
It will be difficult for ue to predict the future.(用动名词作主语的形
It's difficult for us to meet and is it to part