单项选择题
-How do you do, Chief Officer! -（）
A. How are you? B. Fine, thank you. C. How do you do? D. Not at all.
单项选择题 Welcome aboard. Our master is expecting you in his cabin. Come （）.
单项选择题 -May I see your （）? -Yes. Here you are.
单项选择题 -（） -I’m the agent.
