单项选择题
（）the time of collision，the 3rd officer was on the bridge．
A.At
B.On
C.Of
D.In
点击查看答案&解析
相关考题
-
单项选择题
（）the ship leaves at 1000 today，she can arrive there tomorrow.
A.When
B.How
C.If
D.Should -
单项选择题
（）the packing is the same，the lots are different in marks.
A.For
B.Since
C.Because
D.Although -
单项选择题
（）the morning from 0800 to 1200 Chief Officer is on duty.
A.On
B.In
C.At
D.During
