阿摩線上測驗
16. Amy was curious about ________ was behind the locked door.
(A)how
(B) what
(C) where
(D) whether
答案：登入後查看
統計： A(126), B(1526), C(77), D(82), E(0) #1458410
統計： A(126), B(1526), C(77), D(82), E(0) #1458410
