问题
单项选择题
We()this port for replenishment of fuel oil.
A.is calling at
B.are calling at
C.is calling on
D.are calling on
答案
参考答案:B
We()this port for replenishment of fuel oil.
A.is calling at
B.are calling at
C.is calling on
D.are calling on
参考答案:B