阿摩線上測驗
8. The unscrupulous owner of the petrol station was discovered to have been ________ the fuel with lower-grade additives to increase profits, putting countless motorists at risk of engine damage.
(A) importuning
(B) spurning
(C) encumbering
(D) adulterating
答案：登入後查看
統計： A(1), B(3), C(2), D(27), E(0) #3233799
統計： A(1), B(3), C(2), D(27), E(0) #3233799
