I can't say which wine is best---it's a(n)of personal taste.A. affairB. matterC. eventD.

问题补充：

I can say which wine is best---its a(n)of personal taste.

A. affair

B. matter

C. event

D. variety

答案：

A. affair

(答案→)B. matter

C. event

D. variety

解析：考查名词辨析。Affair 事情，事务，event事件，matter物质，原因 variety多样性，A matter of 是固定短语，意为……的问题，句意为我不能说那一种酒最好，这是个人口味问题。选B。