問題詳情

107. Over the past two years, the success of the new manufacturing process _____ the number of requests for the product.
(A) doubled
(B) is doubling
(C) doubles
(D) has doubled.

參考答案

答案：D
難度：適中0.54
統計：A(9),B(12),C(1),D(27),E(0)