单项选择题
“Stand by the gangway” means “（）”.
A. Stand at the gangway B. Wait at the gangway C. Get the gangway ready D. Keep on the gangway
单项选择题 Get ready the mooring machinery, mooring lines and the gangway for （）.
单项选择题 National flag should not be （）up.
单项选择题 You should keep national flag（）.
