問題詳情

15. The manager was worried about the press conference his assistant ______ in his place but, luckily, everything was going on smoothly.
(A) gave
(B) gives
(C) was giving
(D) had given

參考答案

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