(6)_______a friend who has been wearing the same old jacket or the same old dress suddenly appears in the (7)_____ fashion, you can be sure that romance is in the air.
(6)_______a friend who has been wearing the same old jacket or the same old dress suddenly appears in the (7)_____ fashion, you can be sure that romance is in the air.
A. If
B. Because
C. Although
D. Unless