单项选择题
A.thank
B.be thankful
C.be thanked
D.be thankful for
单项选择题 After an accident the victim may go into shock and die. What should be done to help prevent shock? ()
单项选择题 After a collision or accident involving an uninspected vessel,regulations require that the operator assist persons affected,but only if the operator can do so without().
单项选择题 According()the report,the ship hit the wharf when berthing.