单项选择题
How do you dispose（）the general cargo in the fore part of Hatch No.5?
A.at B.to C.of D.with
单项选择题 Green lights may appear on（）.
单项选择题 During loading or discharging，the tallymen must make contact with（）on duty so as to solve problems in time.
单项选择题 Can you tell me something about the tallying methods at your port?（）.
