問題詳情
12. An employment survey revealed that demand for high-level executives ______ decreased unexpectedly this year.
(A) was
(B) has
(C) have
(D) were
(A) was
(B) has
(C) have
(D) were
參考答案
答案：B
難度：困難0.393939
統計：A(7),B(13),C(7),D(1),E(0)
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