阿摩線上測驗
109. If Mr. Henderson _______ earlier, he would have been able to secure a better seat for the conference.
(A) arrives
(B) arrived
(C) has arrived
(D) had arrived
答案：登入後查看
統計： A(6), B(14), C(5), D(53), E(0) #3805117
統計： A(6), B(14), C(5), D(53), E(0) #3805117
