On, At, In. (Time.) On. Dont say: My uncle will arrive at Saturday. Say: My uncle will arrive on Saturday. At. Dont say: I usually get up on seven oclock. Say: I usually get up at seven oclock. In. Dont say: She goes for a walk at the afternoon. Say: She goes for a walk in the afternoon. KANALIMIZGA OBUNA BOLING @SUPER_ENGLISH_21 | @Books_bazabot 3.8K viewsفتاة تحب الله, edited 08:01