Question

【题目】—How did you know that it was going to rain?

—Very often the black clouds are a clear __________ of rain.

A. logo

B. sign

C. symbol

D. mark

Answer 1

【答案】B

【解析】

句意：——你怎么知道会下雨？ ——乌云常常是下雨的明显迹象。A. logo徽标；B. sign迹象；C. symbol象征；D. mark记号。根据the black clouds说明，天要下雨了。因此选择sign迹象；语境是：——你怎么知道会下雨？ ——乌云常常是下雨的明显迹象。故选B。