【单选题】all his courage, he invited Celine to get off the train with him.
【简答题】常见的易燃液体有哪些?举出五例。经常遇到的可燃气体有哪些?举出五例。
【简答题】He invited all his ______ to join in his wedding party. A) comrades-ins-arms B) comrades-in-arm C) comrade-in-arms D) comrades-in-arms