Lǎoshī zài zuòyèběn shàng huà le yí gè wǔjiǎoxīng.
The teacher drew a five-pointed star on the homework notebook.
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culture
The five stars on China's flag (五星红旗) represent the Communist Party (large star) and four social classes (workers, peasants, petty bourgeoisie, national bourgeoisie). Teachers often stamp 五角星 on children's homework as praise.