Enougu__ said on how to solve this difficult problem in such
Enougu__ said on how to solve this difficult problem in such
I find it difficult to solve this problem .(改为复合句)
this is the problem very difficult to solve
View on How to Solve the Housing Problem in Cities 为题目的外语作文
we found this problem difficult to solve solve为什么不用被动
How long___it___you to work out such a difficult problem?
i wish i __(know)how to solve this problem.
i don't know how to solve this problem.
How to solve the problem of pollution in nowadays
It difficult for him to solve this problem alone.改同义句 He has
___ a little difficult for me to solve this problem. A. That
How can i solve this problem