阿摩線上測驗
36.I __________ my homework last night.
(A) do
(B) did
(C) does
(D) doing
答案：登入後查看
統計： A(2), B(40), C(0), D(3), E(0) #3474208
統計： A(2), B(40), C(0), D(3), E(0) #3474208
