During the weekend I travelled by the(去掉the) air for the first time in my life. I usual改为副词形式（usually） travel by train or bus. It's(They're) both cheaper（cheap,没必要用比较级，both,and连接的词前后形式一致，都用原级就行） and safe. But to fly in the sky was（is这是客观事实，用一般现在时） something new to me. At the end(begining) I felt a little nervous. But very soon I...
During the weekend I travelled by （the） air for the first time in my life. I (usual)usually travel by train or bus. (It's)They're both (cheaper)cheap and safe. But (to fly)flying i...
tangchenhuatch说过的我就不说了.第一行, by air第二行, both cheap and safe, 最好连both也不要用, 这样说可以, 但是不太常见.第三行, became excited. 后面还有一个among the clouds是说你不在云中, 而是在云间, 如果你是想表达这样, 那就是对的. 否则用in the ...
