26. in our class, when the bell rang and the teacher closed his book, it was a for everyone to stand

問題詳情

26. in our class, when the bell rang and the teacher closed his book, it was a for everyone to stand up.
(A) signal
(B)chance
(C) Mark
(D)measure

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