問題詳情

42. When(當) you are ____________     the bus or ____________     a taxi, don’t talk with the driver. It’s dangerous(危險的).
(A)on, on 
(B)in, in 
(C)in, on 
(D)on, in

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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