she likes travelling ____air 填介词

she likes travelling ____air 填介词 Lucy h____ travelling by plane,but she likes taking the train.并说说为什么填这个词?而不填其他的词?具体一点, She hates travelling alone同义句 She was travelling on the train. travelling travelling travelling travelling She likes dancing.She likes danc饿. She likes English b______ She likes speaking English. yes she likes me she likes drawing___________a pencil She Likes Me 歌词 She likes dogs best. she likes her 什么? She likes her_____(collect) She likes her_____(collect)