it seems that he has fallen in love with the small town解释此句中为什么用has fallen

It seems that he has known that He seems to ____ ____ that it seems that he has----- (succeed )solved that problem. It seems that he has had a cold转换He seems　＿　＿　＿acold. it seems that he has read this book.同义句转换转换后为 He seems to ____ ____this book 同义句填写 It seems that he has read the book.He seems ____ ____ read the book. It seems that he has a lot of friends（同义句It seems that he has a lot of friends（同义句转换） It seems that he has passed the exam(改为简单句） it seems that he has forgotten everything aboutis fault的同义句 It seems that he has bought something interesting.（改为简单句） It seems that he has lost something把它变为简单句 It seems that has been to england because he speaks very good english是什么意思? It seems that he has been to Canada 改为同义句 it seems that he has fallen in love with the small town解释此句中为什么用has fallen 请问it seems that he has come back 同义句 he ____ _____ come back 的答案是什么,为什么? it seems that he is ill与it seems that he were ill 的区别? It --------- that he has finished all the homework.A.seems B.seemed C.lookD.gose hiking说明理由 It seems that he knows everything.为什么要it开头? the wordfriendshiphas used so much that it seems that it has its meaning.翻译