I still have some problems to be solved.solve 为什么不用被动
I still have some problems to be solved.solve 为什么不用被动
1.There still exist many problems to be solved.和
You seem to be having some problems.中为什么用having而不用have?
there are many problems to solve 还是 to be solved 解释一下不定式什么时候
there remain some problems to be solved中的remain可以用be代换吗
i have a book to be read为什么修饰book却不用被动
we still have a long way to go to solve all problems 的同义句
the problem is difficult to be solved 为什么solve要是过去式
a number of problems ----to be solved though we have had the
为什么It's one of the important problems to be solved tomorrow
There is another problem need to be solve/solved?
we found this problem difficult to solve solve为什么不用被动