The telephone line is busy. Someone is still _____ the phone.(A) to (B) by (C) in (D) on

問題詳情

The telephone line is busy. Someone is still _____ the phone.
(A) to
(B) by
(C) in
(D) on

參考答案

答案：D
難度：非常簡單0.902174
統計：A(0),B(4),C(5),D(83),E(0)

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