中译英 语法要对 求帮助

I want to know whom he gave the the photos to .I didn't hear what the children were talking about.What the the teacher said (taught) was very important.We have not decided who is going to Bejing next week.The teacher will give the books to those who are good at computer.Please tell me ( let me know) which city you like mostThey are discussing  what they will do next.No body tell me who broke the window.I did not understant what they said  in the meeting.It is none of my business who you are waitint for.