单项选择题
（）? -I am your agent. I want to see the captain.
A. What are you? B. What can I do for you? C. Where are you from? D. What are you doing?
单项选择题 The gangway is too high. Can you lower it （）?
单项选择题 As a duty sailor, you （）maintain a safety patrol.
单项选择题 Agent,（） me, please.
