阿摩線上測驗
16. She enjoys _____ new languages in her free time.
(A)learn
(B)learning
(C)to learn
(D)to learning
答案：登入後查看
統計： A(1), B(66), C(6), D(3), E(0) #3867818
統計： A(1), B(66), C(6), D(3), E(0) #3867818
