A.It will be an essential accessory for MP3 player. B.It could be used to produce cold-proof cloth. C.It could be used in some emergency cases. D.It could be used as a lighter or a heater in urgency.
A.It will be an essential accessory for MP3 player.
B.It could be used to produce cold-proof cloth.
C.It could be used in some emergency cases.
D.It could be used as a lighter or a heater in urgency.