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a. m. and comes ______ at 5 p. m. Today he is ______. on duty; off duty; on night duty on his duty; off the duty; on night duty to duty; from duty; at night duty in duty; out duty; at night duty
the chief engineer must be informed at first the captain must be informed at first it must be taken by the duty engineer the generator engine must be stopped
m. and comes _____ at 5 p.m. Today he is _____. A. on duty; off duty; on night duty on his duty; off the duty; on night duty to duty; from duty; at night duty in duty; out duty; at night duty
know；their knows；their knows；its know；its
wounded ... dying the wounded ... dying wounded ... the dying the wounded ... the dying
one month two months three months six months
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