阿摩線上測驗
26. There _____ an extra blank page in the packet.
(A) is
(B) are
(C) be
(D) were
答案：登入後查看
統計： A(25), B(2), C(1), D(0), E(0) #3895749
統計： A(25), B(2), C(1), D(0), E(0) #3895749
