there must something can be done
there must something can be done
something must be done
all ( ) can be done must be done.
there must be something you can do 中文意思是什么
Something must be done about it.
There must be something wrong.
something must to be done和something must be done区别
合并句子all can be done.all must be done
there must be something wrong to it
something must be done to solve the problems()succeed
something must be done to prevent some students from froping
Something must be done to stop wild animals ------(kill)