单项选择题
We have to wait at the roadstead till（）.
A. there is a free berth
B. there are officers and the sailors
C. there are motormen and the sailors
D.A、B and C
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单项选择题
A. there is a free berth
B. there are officers and the sailors
C. there are motormen and the sailors
D.A、B and C
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