This problem may lead to more serious ones if_______ unsolved.A.remained B.left 选什么 根据是什么?

this problem may lead to more serious onesthis problem may lead to more serious ones if ( )unsolved, remain/keep 用may或may be填空：She ( ) know the answer to this math problem,but I'm not so sure. This piese of evidence may help us in finding a(n)______(solve)to the problem _____health professionals do believe Internet addiction is a serious problem,they may not know how to treat this problem.A.UntilB.WhenC.As ifD.Even though正确答案是： 英语定语从句解答Those interested in this problem may join us in the discussion.Those who are interested in this problem may join us in the discussion.请问这两个句子都是正确的吗?分别属于什么句式? 刺客信条3安装完后运行出现这个re-installing the game may fix this problem 3． Many ways can contribute to solving this problem,but the following ones may be most effective. This problem may lead to more serious ones if_______ unsolved.A.remained B.left 选什么 根据是什么? This problem may lead to more serious ones if left unsolved.if left unsolve 应该怎么理解. this problem may lead to more serious ones if ——unsolved A.makingB.leftC.remainedD.keeping为什么 this is a （ ) problem 我安装ivt bluesoleil时出现 This application has failed to start because setup.dll was not found.re-installing the application may fix this problem lea是什么意思 Please help me this problem. This problem is very___for her. this problem may lead to more serious ones if () unsolveda.remained b.remainninglack 的用法 及物和不及物不及物动词时不是没有被动态啊 有一句英语,还请大家帮忙翻译.非常感谢.depending on the quality of the work, this may not be a problem,. 高二英语选择题,请解释This problem may lead to more serious ones if ______ unsolvedA.remainedB.left为什么答案是B而不是A,A为什么不行?