The company has been running its Houston office _____ the beginning of 2003.
(A)for
(B)at
(C)since
(D)in

答案：登入後查看
統計： A(10), B(56), C(177), D(41), E(0) #353204

詳解 (共 1 筆)

#651661
has/have + been + since
6
0