Помоги пжл с заданием)))))

Exercise 18. Make up all possible questions to the following sentences.
1) Travel agents sell tours retail.
2) The booking agent is speaking over the phone right now.
3) The tour operator is a wholesaler.
4) The UN conference on international travel and tourism took place in
Rome in 1963.
5) I can make a journey to Africa next month.
6) The travel agent offered me a travel insurance.
7) Last summer we were on Lake Baikal.

1.Who sold tours retail?What did travel agents sell?2.Who is speaking over the phone right now?What does booking agent doing right now?3.Who is tour operator?Who is wholesaler?4.When and where did the UN conference on international travel and tourism take place in ?What was in Rome in 1963?What UN conference took place in Rome in 1963?5.When I can make a journey to Africa?What journey can I make next month ?6.What did travel agent offer me?Who offered me a travel insurance?What insurance did travel agent offer me?7.When we were on Lake Baikal?Where we were last summer?Who were on Lake Baikal last summer?