为什么用but转折?Twenty volunteers were to make up the first group,

为什么用but转折?Twenty volunteers were to make up the first group, my first twenty years were spent in the countryside 英语翻译Magellan's(麦哲伦) men were the first to make that trip.The it was not I but you who were the first to runto the goal in People were all very __________ to the volunteers at the Exp (紧急求助)the person we spoke to make no answer at first.其中为什么用动 I volunteer to clean up the park.My brother volunteers to cl the volunteers tried their best to make the children同义句 The first group to touch the blackboard gets 1 point. There is two ways to make these machines,but the first it wo most shelters have volunteers to make the homes of cats and 这句话对不?怎么翻译呢?Volunteers make up 96 percent of our team to do