单项选择题
A.to loading B.be loading C.loading D.to load
We shall（）some ports in Canada.A.call atB.call onC.call...
单项选择题We shall（）some ports in Canada.
A.call at B.call on C.call in D.call up
Our ship（）loading yesterday morning.A.finishB.finishing...
单项选择题Our ship（）loading yesterday morning.
A.finish B.finishing C.finished D.has finished
A notice has just（）the port administration.A.came fromB...
单项选择题A notice has just（）the port administration.
A.came from B.come from C.come D.came
