13. Could you tell me _____?
(A) when the library closes
(B) the library closes at when
(C) when does the library close
(D) the library when does it close
答案:登入後查看
統計: A(69), B(2), C(33), D(6), E(0) #3912464
統計: A(69), B(2), C(33), D(6), E(0) #3912464