单选题When it is advisable to remain on VHF channel 14 you should say（）.Astand by on VHF channel 14Bcome to VHF channel 14CVHF channel 14 is the best place for you to stay byDremain in channel 14 and do not change
单选题
When it is advisable to remain on VHF channel 14 you should say（）.
A
stand by on VHF channel 14
B
come to VHF channel 14
C
VHF channel 14 is the best place for you to stay by
D
remain in channel 14 and do not change
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