問題詳情

21. Karen’s brother _____ an engineer before, but now he _____ a salesman.
(A) was; was
(B) is; was
(C) was; is
(D) were; is

參考答案

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