【单选题】According to the passage, in WHICH area improvement is already under way
A.Facilities in the ski resorts.
B.Domestic transport system.
C.Air services to Asia.
D.Road network in the sout
【单选题】According to the passage, in WHICH area improvement is already under way
A.Facilities in the ski resorts.
B.Domestic transport system.
C.Air services to Asia.
D.Road network in the sout
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