句型：What time is it? It's... — 英语词汇题
题目
Tom's watch is ten minutes slow (慢了十分钟). Now his watch shows (显示) seven forty. His friend asks him: "What time is it now?" Tom looks at his watch and works out the real time. Which answer should Tom give? A. It's seven fifty. B. It's seven thirty. C. It's eight o'clock.