-Is this the first time you ____ Shanghai?-No,but the first time I ___ here,there weren't so many skyscrapers.A.visited...came B.have visited...came C.have visited...have come D.visited...have comeB是对的,为什么第一个空格用完成时?

This is not the first Around this world ,the last is first. This is my first bag中first前要加the吗 Under no circumstances ＿to the teacher.A.is this the first time he has lied B.this is t...Under no circumstances ＿to the teacher.A.is this the first time he has lied B.this is the first time he has lied C.is thisthe first time has he lied D.this if i remember right,this isn't the first time you__late for class this week,is it? this is ____lesson 1.we first 2.us first 3.the our first 4.our first this is the first lesson=this is________. this is the first time this was the first time 怎么用,有什么区别? This has been the first time与this is the first time有什么区别 You are playing computer games,aren't you?Yes,but this is the first time I ＿ computer games This is _ class.So the teacher doesn't know all of his students.A .their first B.a their first Ctheir the first D a first选哪个,为什么 This is the first man ___(walk)to the moon . lesson the is first this week of the . This is the first two sections of the book. This is the first lesson ( )the new term day,term,of,this,the,the,is,first,new This is My first This is the first time that I ______(be)there