What / difficult / thing / you / learn /to do?
What's the most difficult thing you have ever learnt to do?
Who / generous / person you / meet ?
Who's the most generous person you have ever met?
What / interesting / book you / read?
What is the most interesting book you have ever read?
What / beautiful / place you / be / to?
What's the most beautiful place you have ever been to?
What / boring / film you / see?
What's the most boing film you have ever seen?
What / long / journey you / make?
What's the longest journey you have ever made?
What / cold / place you / visit?
What's the coldest place you have ever visited?
What / good / present you / receive ?
What's the best present you have ever received?
What / delicious / food you / eat?
What's the most delicious food you have ever eaten?
What / dangerous / thing you / do?
What is the most dangerous thing you has ever done?
What / expensive / gadget you / buy?
What's the most expensive gadget you have ever bought?
What / good / restaurant you / be to?
What's the best restaurant you have ever been to?