49. Children learn to speak by ____ their older family members.
(A) learning
(B) studying
(C) imitating
(D) seeing
答案:登入後查看
統計: A(467), B(123), C(2578), D(122), E(0) #2702732
統計: A(467), B(123), C(2578), D(122), E(0) #2702732