阿摩線上測驗
11. Some students have a lot of difficulty ______ with their parents.
(A) communicating
(B) communicate
(C) to communicate
(D) communicated
答案：登入後查看
統計： A(100), B(46), C(42), D(39), E(0) #1760401
統計： A(100), B(46), C(42), D(39), E(0) #1760401
