英语 四年级 选择题 较难

描述节日活动:We... at/on... — 英语选择题

北京版·英语 Unit 5 Celebrate Special Holidays AI 三重审校通过

题目
庆祝活动在星期六举行,大家在7:00唱歌。选出描述正确的一句。A. We sing songs on 7:00 at Saturday. B. We sing songs at 7:00 on Saturday. C. We sing songs in 7:00 on Saturday. D. We sing songs at 7:00 in Saturday.