This is the tallest building_____we have ever built in Shang

This is the tallest building_____we have ever built in Shang 1 This is the biggest lab____we have ever built in our unive this is the biggst ladoratory _we have ever built in our sch this is the biggest laborary _we have ever built in our scho he is the tallest man I have ever seen.请问句中的I have ever seen Many tall buildings have been built in our city .the tallest 47.This is the biggest laboratory ___ we have every built in This is the tallest tree ( )I've ever seen.A that B which C 四：连词成句.1.tallest,policewoman,I,the,is,have,she,seen,ever tallest,policewomen,I,the,is,have,she,seen,ever 连词成句 tallest,policewoman,I,the,is,have,she,seen,ever连词成句 which is the fastest car ever built?