am/iswasarewere,He is four years old this year.,He was three years old last year.,I _ 6 years old last year.,I _ 7 years old this year.,was,am,We _happy today.,We _sad yesterday.,are,were,Look at this photo. I_ at the Palace Museum. I _there by taxi.I _happy there.,was,went,was,was,Look at this_.I _on the Great Wall.I _9 years old at that time.I _fun with my parents.,was,had,photo,with,Look at this_.We _at the Tiananmen Square.We _there by bus.I _fun _ my mother.,had,went,were,photo,
