Question

there is something else

______there is something else to discuss,I’ll declare the meeting closed.
A.As B.While C.Since D.Unless

Answer 1

本题考查连词在语境中的应用.as可表原因,意为“由于”,也可表时间,意为“在……的同时”;while可表时间,意为“正当……的期间”,也可表转折,意为“尽管”;since可表时间,意为“自从……以来”,也可表原因,意为“既然,由于”;unless表条件,意为“除非,如果不”.分析语境和语意,根据逻辑可排除A、B、C三个选项.
故选D