問題詳情

18. Smart cellphones _____.
(A) can use as a computer
(B) are using to send e-mails and pay bills
(C) can be used in many ways
(D) used by people wisely

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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