He found that the problem was hard to solve.
He found that the problem was hard to solve.
but he found the problem difficult to solve
-------he managed to solve the problem A.was it how that B.w
I found it hard to belive that he was working for the enemy
Finally,they found a ____ to the problem.(solve)
have you found a way to solve the problem?
I find it hard to solve the problem.翻译
He tried his best to solve the problem __difficult it was 为什
___difficult the problem was,he tried his best to solve it.
He said that he couldn't solve the problem.翻译
He found __ hard to work out the problem by himself .
the problem is hard to solve 这句语中to solve 是作hard这个表语形容词的什么成分