At some busy airports, an Automatic Terminal Information Service (ATIS) is _______ to pilots of departing and arriving aircraft.
A.available
B.used
C.possible
D.served
正确答案是A
At some busy airports, an Automatic Terminal Information Service (ATIS) is _______ to pilots of departing and arriving aircraft.
A.available
B.used
C.possible
D.served
正确答案是A