阿摩線上測驗
17. I _____ him since the semester started, so I’m not sure what he looks like now.
(A) don’t see
(B) didn’t see
(C) haven’t seen
(D) am not seeing
答案：登入後查看
統計： A(1), B(0), C(23), D(0), E(0) #3873455
統計： A(1), B(0), C(23), D(0), E(0) #3873455
