单项选择题
We can hardly accept any marks（）or damage（）the cargo.
A.mixed/to B.mixing/to C.being mixed/for D.being mixed/of
单项选择题 We will（）special attention to the dangerous cargo.
单项选择题 We’ll（）some necessary measures to raise the working efficiency.
单项选择题 When and where（）your registy certificate issued?
