Check the launching track and report.-The launching track ofNo.l lifeboat will be ___ in 2 minutes. A. free B. clean C. clear D. readyA、aB、bC、cD、d-易过题库-题库最全的搜题网站

Check the launching track and report.-The launching track ofNo.l lifeboat will be ___ in 2 minutes. A. free B. clean C. clear D. ready

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