問題詳情
【題組】67. When the receiver sees two puffs of smoke, he will know _______.
(A) the enemies are nearby
(B) their town has been set on fire
(C) the situation is under control
(D) the sender overslept and neglected his job
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)