Сделайте задание,пожалуйста!

1) I'd like to know when they are leaving in Moscow
2)I'd like to know why ha is happy
3)I'd like to know who is coming by the 9 o'clock train
4)I'd like to know where he does medicine
5)I'd like to know how they can answer this question
6)I'd like to know what they are enjoy doing
7)I'd like to know which language you speak-English or French