on, it's, 21st, October (.)成句
It's on October 21st.
It's on October 21st.
题干 / 阅读材料
答案解析
句子:It's on October 21st.
意思:它在 10 月 21 日。
解析:
具体日期前用介词 on
日期表达:月份 + 序数词 → October 21st
on, it's, 21st, October (.)成句 It's on October 21st. 学习记录
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