阿摩線上測驗
12. She spends a lot of time _______ the piano every day.
(A) practice
(B) practicing
(C) to practice
(D) to practicing
答案：登入後查看
統計： A(99), B(401), C(91), D(41), E(0) #3384241
統計： A(99), B(401), C(91), D(41), E(0) #3384241
