【導讀】1.Mayisa________(truly)friend.6.Ithinkit'stimefor________(we)toleavenow.19.What______(happen)toher?26.Youlooktired;you'dbetter________(have)arest.Youarefull.You’dbetter_______(noteat)anymore.27.LastSunday,mumletme________(do)somewashingathome.28.Ifit________(not,rain)tomorrow,I'llgohome.33.I___________(notfeel)verywellyesterday.38.You’dbetter___________(notclimb)thathightree.It’snotsafe.53.Look!