My family is ______(计划) a journey to China in the winter. Our first ______(选择) is to visit Beijing, one of the________(大) places in the world. So we need to _______(预订) the plane tickets. To tell you the truth, we like going by train _______ (好) . But we think it is too slow and it ________(花费) much time. Though going by plane is more ________(昂贵的)，it goes ________(快) and saves time. Some people may think it’s not_____(安全) , but our family all ________(赞同)it’s our favorite way to travel.