which one is the abbreviation of chinese dollar应填什么?

Which is the odd one out? which number is the odd one out which season is the most dangerous one? Which horse is s( The black one Which season is the most dangerous one? Which horse is s( The black one Which one is the boy with the reddish brown hair? I asked.Which one是which疑问词+主语one+系动词is the boy?还是which one主语? which one which Which one is better?which is better? Which is nearer The smaller one is nearer. Which one is h________,the sun or the Earth? which one is 急 which one is you which one is not which one is right? Which one is RIGHT? which one is Which one is better,the white one and the black one? which room is darker,the one on the right or the one the left?