【单选题】
When will we close hatch covers?（）
A、我们何时开关舱盖？
B、我们何时关闭舱盖？
C、我们何时卸货？
D、我们何时开舱盖？
查看正确答案A、closed B、opened C、handled D、opened and closed
搜题
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第4题
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第6题
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第7题
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第8题
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第9题
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