34. There _____ an apartment here. But now the apartment has become a parking lot.(A) used to be (B)

問題詳情

34. There _____ an apartment here. But now the apartment has become a parking lot.
(A) used to be
(B) was used to be
(C) must be
(D) is going to be

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