問題詳情

15.( ) When the guide dogs are working, __________ touch__________ play with them.
(A) either; or
(B) don’t; and
(C) don’t; or
(D)not; nor

參考答案

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

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