19. Your berth is not clear until 2000 UTC(A) Your berth is clear now.(B) Your berth is clear until
問題詳情
19. Your berth is not clear until 2000 UTC (A) Your berth is clear now. (B) Your berth is clear until 2000 UTC (C) Your berth will be clear after 2000 UTC (D) Your berth will not be clear after 2000 UTC