- 问题详情:Thefirstfullchoirrehearsaloftheschoolyeartookplaceintheschoolhall.Allthestudentsjoinedtogethertosing.Iwatchedasmyeldersisterandhergradecameinandtooktheirplacesnexttousonthestage.Meanwhile,Icouldhearlaughing.Somestudentswerepointingatagirlstan...
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