19.He has been here .
(A)for 1980
(B)in 1980
(C)after 1980
(D)since 1980
答案:登入後查看
統計: A(56), B(113), C(9), D(1614), E(0) #358517
統計: A(56), B(113), C(9), D(1614), E(0) #358517