問題詳情
When the phone rang, I _____________ reading the financial report.
(A)was to concentrate on
(B)would be concentrate on
(C)could have been concentrating
(D)was concentrating on
參考答案
答案:D
難度:簡單0.876777
統計:A(18),B(19),C(15),D(370),E(0)
用户評論
【弘】評論
請問這題可接most have been concentrating on. 嗎