DAL345, 20 miles north of Nington, IFR, FL120, _______ zone boundary 20, KNT24, information M.
A.expect
B.estimate
C.ETO
D.anticipate
正确答案是C
DAL345, 20 miles north of Nington, IFR, FL120, _______ zone boundary 20, KNT24, information M.
A.expect
B.estimate
C.ETO
D.anticipate
正确答案是C