单项选择题
What form of ice is of land origin().
A.Shuga B.Floe C.Spicule D.Bergy bit
单项选择题 We have no steel wire.You had better()us one.
单项选择题 Under the Carriage of Goods by Sea Act of 1936,a vessel will be liable for damage to a cargo when the damage arises from().
单项选择题 There is something wrong with our radar.All kinds of objects can’t be clearly()within the definite range.