单项选择题
Where is the captain? -（）.
A. Follow me B. He’s in his cabin C. Yes, he is D. No, he isn’t
单项选择题 When a ship is in port, who will keep gangway watch?（）
单项选择题 -Good morning, sir. -（）. May I help you?
单项选择题 Let’s （） to the saloon, shall we?
