問題詳情

50 According to the passage, how often are the guide dogs evaluated on the second stage of the training?

(A) Constantly.
(B) Sporadically.
(C) Casually.
(D) Occasionally.
































































參考答案

答案:A

統計:A:84,B:19,C:26,D:22,E:0

難度:適中