改错题：It seems as if everyone in London become interested in Henry. 答案是将become改为became,求解释

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 改错题：It seems as if everyone in London become interested in Henry. 答案是将become改为became,求解释 it seems that 和 as if 有什么不同? It seems as if 属于什么从句类型? It seems as if 属于什么从句类型? it seems that和it seems as if的区别是什么? ____ he knew nothing about her.A.It seems that B.It seems as if it seems as if there will be an election soon.so it does还是seems啊 it seems as if there will be an election soon.so it does还是seems? It seems as if从句怎么用It seems as if与seem like有什么区别 “似乎要下雨了”应该用 it seems as if 还是it looks as if It seems as if it is going to rain中为什么要用个if it seems that 和 it seems as if的区别It seems that it is going to rain 和It seems as if it is going to rain 有什么区别吗? 为什么it seems as if=it looked as if而不是looks为什么是looked不是looks as if在这里可以省略吗It seems as if it is going to rain.看来快下雨了. It ___that he has been ill for a long timeA.seems B.looks C.looks as if D.seems as if 该选哪一个啊,理由是什么呢?