問題詳情

【題組】14. While we were all busy figuring out how to solve the problem, Carla just sat there sipping a cappuccino.
(A) preparing
(B) drinking
(C) shipping
(D) heating

參考答案

答案：B[無官方正解]
難度：適中0.571429
統計：A(2),B(4),C(0),D(1),E(0)