It was a mistake ()Helen to have gone into the forest alone.填of还是for 纠结~

She married young--it was a mistake.she got married young--it was a mistake.She was married young--it was a mistake.哪句语法错了, It was quite a long time before he realized his mistake.before he realized his mistake是什么从句 Does it suggest that deal was a mistake?和 Is it suggesting that deal was a mistake?意思有何不同 it may be a mistake, (单词拼写)It was c___ of you to make such a silly mistake. I was worried i would( ) a mistake It is a mistake to trust If it is a mistake to let maybe it was a mistake for us to meet maybe we smaybe it was a mistake for us to meet maybe we should have not met each other!的中文. “honest mistake”是什么意思?It was an honest mistake.该如何翻译？ It was stupid_____him_____this mistake A.for,to make B.of,to make C.for,make D.to,to make It was stupid of her to make such a mistake.动词不定式是句子的什么成分? It was a mistake ()Helen to have gone into the forest alone.填of还是for 纠结~ Every mistake you made was a bigger deal than it needed to be.Everything was harder than it had to be. It was such a serious mistake,_____ caused by carelessness.A.which I think was B.which I think it wasC.I think which was D.I think which it was为什么不选B？ it was an easy mistake to make it was on to make If appears that was a mistake的中文意思. 我没有财富积累,请英语达人帮忙看看这道题吧.I must find out why ___ so many students made the same mistake.A.is it that B.was it which C.it is what D.it was that