不知问题补充填空里填啥,
Manypeoplearewaitingforthetrain.Somearereadingnewspapers,andsayinggoodbyetotheirfriends.MrWang,MrLiandMrChenaretalkingveryhappy,andtheydon'tknowthetrainisgoingtoleave.Andthentheconductorshouts,"Thetrainisgoingtoleave.Getonthetrain,piease."Thethreemenheartheguardandt_____ofthemjumpontothetrainquicklybeforeitmoves,butonedoesn't.ItisMrWang.Helooksveryworried.Amancomestohimandsays,"Don'tworry.Thenexttrainwillarriveintenminutes.""Iknow,"MrWangsays."Butitismyt______.Myfriendsonlycometosaygoodbyetome."
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