問題詳情

28. At first, my bookstore’s business ________not very good. But now it is doing quite well.  
(A)is 
(B)does 
(C)was 
(D)did

參考答案

答案:C
難度:非常簡單1
統計:A(0),B(0),C(1),D(0),E(0)

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