阿摩線上測驗
39 The past years have seen many_________ in the telecommunications industry, such as the development of phones
that can receive e-mail and images.
(A) innovations
(B) invitations
(C) instructions
(D) installations
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統計： A(53), B(9), C(6), D(4), E(0) #669022
統計： A(53), B(9), C(6), D(4), E(0) #669022
