問題詳情

135. Beardshaw’s did very well _____ the economy was booming, but when a recession came, it saw sales fall dramatically.
(A) during
(B) for
(C) while
(D) when

參考答案

答案：C
難度：適中0.46875
統計：A(10),B(2),C(15),D(4),E(0)