Precautionary measures must be taken to ___ safety of the stevedores, cargo and the ship.
A.insure
B.ensure
C.assure
D.assum
正确答案是B
Precautionary measures must be taken to ___ safety of the stevedores, cargo and the ship.
A.insure
B.ensure
C.assure
D.assum
正确答案是B