阿摩線上測驗
28. I tried very hard, but I couldn’t make myself _____.
(A) understanding
(B) to understand
(C) understand
(D) understood
(E) to be understood
答案：登入後查看
統計： A(2), B(1), C(13), D(16), E(4) #1021249
統計： A(2), B(1), C(13), D(16), E(4) #1021249
