it seems oil_____from this pipe for some time ,we'll have to take the machine apart to put it rightA.had leaked B.is leaking C.leaked D.has been leaking我选C错了,请问我错在哪了?

It seems that it seems that 用法 it seems to sb It seems to me it seems that和it seems as if的区别? It seems that 和It seems as if区别 it seems as if 和it seems that的区别 it seems that 的用法 it seems that的用法 it seems that等于什么? In this dream it seems 英语翻译另外it seems like It seems to us that 请问这几句什么关系?there seems to be ,it seems that,it seems to be, It seems you are right.为什么加seems?越快越好 It seems it rains.It seems itis going to rain.It seems it will rain.这三句话哪个正确 he often seems sad.同义句 he often seems ------- ------- sad.it seems ----- he ----- often sad. it seems that 意思及用法