Traveling by train is a lot more fun than taking a bus中为什么要用a lot more是因为后面的fun是形容词吗,若不是请说明原因

I prefer traveling by train to traveling by air. 作文 traveling by train I think traveling by train is more comfortable than traveling by car.(改为同义句）I think traveling by car is ______ _________ than traveling by train. i （h ） traveling by train ,but i like traveling by bus i perfer to travel by train .traveling by train is cheaper than traveling by air.i perfer to travel by train ___ traveling by train __ __ __ traveling by air. the seats on the train are not ------ i dont like traveling by train i don't like traveling by plane. i think it's s___ to travelby train I think traveling by train is more popular.Because it is far too___(energy). I like traveling by train because we can e____ the view all the way. Mr. brown was traveling by train画线部分was traveling by train 提问 Jack always goes traveling by train.by train划线提问 -------- --------Jake always--------traveling I think traveling by train is more comfortable than raveling by car同一句I think traveling by car is comfortable less than traveling by ttrain.为什么用less traveling by train ——（be）safer than traveling by plane traveling by train is_____nowadays than in the past the advantages and disadvantages of traveling by train Traveling by train around the city usually ____ less. I don't want to travel by air.I want to travel by train.同义句转换,每空一词I ______ ______ take a train ______ a plane when I'm traveling. 英语开头能用实意动词吗例如Travel by plane is more expensive than travel by train.还是Traveling by plane is more expensive than traveling by train.?