单项选择题
A. Stand at the gangway B. Wait at the gangway C. Get the gangway ready D. Keep on the gangway
Get ready the mooring machinery, mooring lines and the ...
单项选择题Get ready the mooring machinery, mooring lines and the gangway for （）.
A. loading cargo B. arrival in port C. departure from port D. unloading cargo
National flag should not be （）up.A.rollingB.rollsC.roll...
单项选择题National flag should not be （）up.
A.rolling B.rolls C.rolled D.roll
You should keep national flag（）.A.flyingB.flewC.flownD....
单项选择题You should keep national flag（）.
A.flying B.flew C.flown D.flies
