Fill in : which, where, who, when, whose. 1. Alim, ...... is Muslim, celebrates Ramadan. 2. October 31st, ......Halloween takes place, is my friend's birthday. 3. Mary, ........ birthday is on Saturday, is having party this weekend. 4. Buckingham Palace, ...... is in London, is the residence of the Queen of England. 5. George town in the Cayman Islands, ......the Pirates Week festival takes place, for ten days transforms into a typical pirates town.