单项选择题
It is the job of ()(值班水手)to drop off the pilot.
A. the duty sailor B. the 2nd officer C. the captain D. the duty officer
单项选择题 Mind your head .I am throwing a ()(细绳)now!
单项选择题 It’s a/an ()(木材船).
单项选择题 Is this a/an ()(防波堤) ?