Ann jones is the secretary of mr wooding.(what...?) - what does

Ann Jones is the secretary of Mr. wooding. (what...?) - What does Ann Jones do?

1.Mr. Golovin got an invitation letter yesterday.(what...?). What did Mr. Golovin yesterday?

1. Mr. Wooding will phone Mr. Golovin tomorrow.(when...?) When will Mr. Wooding phone Mr. Golovin?
2. A group of 20 Russian students can come to London.(how many....?), How many Russian students can come to London?
3. Barbara Grey is responsible for the social programme. (why....?). Why is Barbara Grey responsible for?
4. Mr Golovin thanked his English colleague for the invitation.(who...?) Who thanked his English colleague for the invitation?