阿摩線上測驗
3. I knew that George could play the flute, _____ I didn’t know he was so good at it. I’m
really surprised.
(A) because
(B) but
(C) if
(D) so
答案：登入後查看
統計： A(20), B(510), C(12), D(18), E(0) #2333566
統計： A(20), B(510), C(12), D(18), E(0) #2333566
