We need to convince our customers that our services are worth _____.
(A) to pay
(B) pay for
(C) to pay for
(D) paying for

答案：登入後查看
統計： A(8), B(5), C(17), D(49), E(0) #312725

Lovely Pei

B2 · 2012/03/09

#285875

be worth + N/ V-ing : 用主動表被動
be worthy + of being p.p. : 用被動表被動

Chun Jen Wang

B1 · 2012/03/08

#284783

我們要說服我們的客戶，我們的服務是值得付出的。