Unit4ThenandnowB.Let’stalkLet’ssingBefore,Hewas.../didn't.../couldn't...Now,Heis.../…/can...TalkaboutWuYifan’schanges.Before,Iwas.../didn't.../couldn't...Now,Iam.../…/can...Talkaboutyourchanges.Mike’sfriendsarevisitinghishome.Listenandcircle.1.Whataretheytalkingabout?A.Mike’shobby.B.Mike’soldphotos.2.WhatgradewasMikein?A.Grade1.B.Grade5.Whataretheytalkingabout?Let’swatch.HowdidMikechange?HowdidMikechange?1.Before,helikedpink.Now,hedoesn’tlikepink.2.Before,hewasquiet.Now,heisveryactiveinclass.John:Before,hecouldn’tridehisbikewell.Now,hegoescyclingeveryday.Readandunderlinethekeysentences.读一读,找出关键句划一划。Before,he_____.Now,he_____.Listenandimitate.Readandfillintheblanks.John,comeandlookatMike’soldphotos.That’sfunny,Mike.You’rewearingapinkT-shirt.Yes,butIdon’tlikepinknow.Wearealldifferentnow.Right.Before,Iwasquiet.Now,I’mveryactiveinclass.Howaboutyou?Well,Iwasshort,soIcouldn’tridemybikewell.Now,Igocyclingeveryday.Ilikeitverymuch.That’sgoodexercise.Before,my..._____.Now,he/she_____.Underlinethekeysentences.