阿摩線上測驗
21.
(A) has its roots
(B) having its roots
(C) being rooted
(D) roots have it
答案：登入後查看
統計： A(288), B(64), C(160), D(7), E(0) #2003006
統計： A(288), B(64), C(160), D(7), E(0) #2003006
