【简答题】CBC is a famous air company which has over twenty planes carrying passengers and goods, flying along 12 fixed lines all over the world. Its service is very good but some passengers are still not satis...
【简答题】根据对话内容,写出句中所缺单词 小题1:-Why did you go to Beijing last week? -Oh, I went there on _______. I talked about a project with other companies. 小题2:-Come on. We only have 5 miles left. -I'm _______ out and I c...