阿摩線上測驗
43. Don’t make reservations at the Spring Restaurant ________ you’re prepared to spend a lot of money.
(A) until
(B) unless
(C) since
(D) although
答案：登入後查看
統計： A(84), B(963), C(45), D(61), E(0) #3435998
統計： A(84), B(963), C(45), D(61), E(0) #3435998
