1、我们不知道他们将什么时候到达
We don't know when they will arrive
2、我想知道Ann在哪里
I want to know where is Ann
3、我不知道在哪参加团购(join in group buying)
I don't know where to join in group buying
4、你能告诉我该怎么去车站吗?
Could you tell me how to get to the station?
5、你能告诉我为什么火车迟到了吗?
Would you tell me why the train is late?
6、他问谁的书法是班上最好的
He asked whose calligraphy is the best in class