問題詳情

22 . One of the __________ __________        busy cleaning the table. 
(A) waitress is 
(B) waitresses are 
(C) waitresses is 
(D) waitress are

參考答案

答案:C
難度:困難0.294118
統計:A(8),B(1),C(5),D(1),E(0)