He worked out the math problem ( )如题
He worked out the math problem ( )如题
He worked out the math problem f__.
They worked out the math problem .
Have you worked out the math problem yet?
who has worked out the math problem被动语态
No one ___me worked out the math problem.
He thought he had d______ working out the math problem.
he has worked out the problem.的被动形式
He had worked out the problem when Jim called him
Finally,he worked out the problem.(改为同义句)
The problem is difficult,( )he has worked it out.
with the teacher‘s help,i worked out the math problem(同义句)