1 It is a long time since we became close friends.-We have...........2Tam doesn's tybe as fast as she used to.-Tam used.......3The bread is so stale that we can't eat it.-Te bread isn't.....4Mr.Thanh couldn't enjoy the meal because of the stomachache-The stomacache prevented.......5 The visitor spoke so quickly thati couldn't understand what he said -The visitor spoke too.......