A. Our third officer is busy with his work. B. Our second officer is busy with his work. C. Our chief officer is free now. D. Our captain is free from his work.
A. What do you want? B. May I come in? C. What do you do? D. May I know your name?
A. Give us plenty of slack. B. Give us a little slack. C. Give us less slack. D. Give us a bit slack.