問題詳情

21. The teacher was careful not to_____  too many answers to the test.
(A) trail
(B) preserve
(C) reveal
(D)poll

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

內容推薦

內容推薦