Was it two years ago that they first met?为什么要用that

I was taller than two years ago Was it two years ago that they first met?为什么要用that The picture has been here.It was here two years ago.用since该写句子 it was two years ago when i first saw the great wallit was two years ago when I first saw the Great wall=I saw the Graet Wall______the_______ ________ two years ago填空． I was a child two years ago.划two years ago it was about 100 years ago it was two years ago when i got to kown him(同义句） it is two years ___ ___ ___ __ __ him Our city has changed greatly in the last two years..改为Our city is quite_ _what it was two years ago. I was there for the last time two years ago I was a student two years ago.划a stuent I was a child two years ago.划 a child l started to----------interested in it two years ago. they made it two years ago ?（疑问句） It is anyhow cleaner than it was 100 years ago He was a no longer a teacher two years ago 改为同义句 He a teacher two years ago It was three years ago ( ) he left 为什么是that? Two years ago,Li Ming was ten years old .How old is he now It was stolen twenty years ago whenIt was stolen twenty years ago when dan was a boy of fifteen.