填写单词

Mum,

    Tomorrow morning I'm going to get up at six o'clock. Please wake me up. After school, I'm going to dance with Li Mei at two o'clock. I'm going to play chess with Bill at three o' clock. I'll be back at four o'clock.

⑴six o'clock (morning)

⑵two o'clock (afternoon)

⑶three o'clock (afternoon)

⑷four o'clock (afternoon)