求求了，急用∠(｀ω´*)敬礼
1: when did you and your mom come to China? 你说什么时候在的言下之意就是什么时候来的. 如果没来, 那就不会"在" 2 where were they on June 26th?
1: when did you and your mom come to China? 你说什么时候在的言下之意就是什么时候来的. 如果没来, 那就不会"在"
2 where were they on June 26th?