He ________ (毫不费劲)working out the problem
He ________ (毫不费劲)working out the problem
He thought he had d______ working out the math problem.
He had some d__ in working out the problem.
He had no difficulty working out the problem为什么是working
she s() in working out the problem
he is the second () out the problem.A.working B.to work C.wo
He spend an hour working out the math problem.的意思和同义句
He had some ___in working out the problem.why using difficul
He-----[success] in working out problem yeateiday .we are pr
He is clever enough to work out the problem ________(容易地)
They boy said ________ couldn’t he work out the problem but
That is the new ( ) of working out the problem.