問題詳情

13.Betty does’t know ________ , so she just stands there crying.
(A) what to be. 
(B) how to do. 
(C) what to do it. 
(D) what to do .

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)