Question

As a rule, this hotel offers___18 percent discount for____guests staying on Friday and Saturday.

A．a; the

B．the; the

C．the;不填

D．an;不填

Answer 1

D

考查冠词：第一空填an，指18%的折扣，第二空不填，泛指客人，句意是：通常情况下，旅店给周五周六住宿的客人打18%的折扣。选D。