commi ary in charge of physical labour commissary in charg e of physical labor commissary in charge of physical labor commissary in charge of physical labour commissary in rge of physical labor
Each student does his own part in the collective thorough cleaning and takes a rest after the labor committeeman ' s examining 集体大扫除时每个人都必须做好自己份内之事；做好之后由劳动委员检查之后方可休息。
