The students run in the playground at nine.

学生们九点在操场上跑步。

同一单元的其他句子

• I usually get up at six thirty in the morning.我通常早上六点半起床。
• What time does your brother go to school?你的弟弟几点去上学？
• She never eats breakfast before seven o'clock.她七点前从不吃早餐。
• Do you take a shower in the evening or in the morning?你晚上还是早上洗澡？
• My father goes to work at eight and gets home at six.我爸爸八点去上班，六点到家。