阿摩線上測驗
17. The skiing _______ patiently guided beginners through their first lesson on the slopes.
(A) producer
(B) lifeguard
(C) founder
(D) instructor。
答案：登入後查看
統計： A(13), B(20), C(14), D(283), E(0) #3418383
統計： A(13), B(20), C(14), D(283), E(0) #3418383
