The boss gave me 20% discount,for I was a(an)_______customer of the restaurant.A.common B.ordinary C.regular D.frequent(并说明原因)

问题描述:

The boss gave me 20% discount,for I was a(an)_______customer of the restaurant.
A.common B.ordinary C.regular D.frequent
(并说明原因)

选C

C我是饭店的常客regular常规的