【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。
【单选题】all his courage, he invited the lady to get off the train with him.
【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