___Tom___Jack has worked out the maths problem.I don't know
I don't understand the way_____they worked out the problem.
I don`t understand the way ___they worked out the problem A.
The maths problem is so hard.I really don't know ______.
The maths problem is so hard,I really don't know ____.A.how
somebody worked out the maths problem.改为否定句
The problem is very hard,I don't know how to work out._____
i don't know how to work out the math problem 同义句
I worked out the problem so( )(easy)
I still don't know how to solve this maths problem.Can you g
I don't know how they deal with the problem=I don't know ( )
I don't know _____do with the problem.
选择填空()1. I don’t know()work out the problem . It’s too hard