Question

【题目】______ this is your first visit to Shanghai, let me show you around the city.

A. Although B. Since C. Unless D. When

Answer 1

【答案】B

【解析】句意：既然这是你第一次来参观上海，让我领着你参观这个城市。A. Although尽管； B. Since 既然； C. Unless除非； D. When当……时候。根据句意故选B。