The urgency signal concerning the illness of persons on board ship is （).A.MAYDAYB.PANC.SE

During the watch, they always get in touch with the （) on the bridge and answer their signals.

____，the bus started at once.A、The signal was givenB、The signal givingC、The signal give

What caused a sense of urgency that gripped the administration？A．The criticism for Preside

Without signals from navigation satellites the in

Without signals from navigation satellites the in

Only insightful people have the signals from the