阿摩線上測驗
( )9. Mr. Liu ________ very fat, but now he does a lot of exercise and becomes thin（瘦的）.
(A) use to
(B) is
(C) used to
(D) used to be
答案：登入後查看
統計： A(10), B(15), C(29), D(76), E(0) #359936
統計： A(10), B(15), C(29), D(76), E(0) #359936
