129. Ten years ago, there _____ a severe shortage of computer specialists.(A)was(B)were(C)has been(D

問題詳情

129. Ten years ago, there _____ a severe shortage of computer specialists.
(A)was
(B)were
(C)has been
(D)have been

參考答案

答案：A
難度：適中0.5
統計：A(4),B(1),C(1),D(2),E(0)

用户評論

【用戶】Greenlight Ch

【年級】高三下

【評論內容】請問這題為何不是A呢?

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