THE DISADVANTAGE _______ FLYING IS THAT YOU CAN'T SEE THE SCENERY...

81. - BAI LUYEN TAP VE DANG DANH TU DI VOI GIOI TU HAY CO DAP AN A1562
BAI LUYEN TAP VE DANG DANH TU DI VOI GIOI TU HAY CO DAP AN A1562

81. The disadvantage _______ flying is that you can't see the scenery along the way.

A. of B. about C. with D. for