—How ___ is it from Xi’an to Dunhuang?—It’s less than 3 ___ flight.
A.long, hour’s | B.far, hour’s |
C.long, hours’ | D.far, hours’ |
—How ___ is it from Xi’an to Dunhuang?—It’s less than 3 ___ flight.
A.long, hour’s | B.far, hour’s |
C.long, hours’ | D.far, hours’ |