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

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統計: A(20), B(54), C(77), D(1575), E(0) #439245

詳解 (共 1 筆)

#699065
電話占線。有人仍在電話上
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私人筆記 (共 1 筆)

私人筆記#5963616
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onprepositionUK/ɒn/ ...
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