ocuple of,the pair of和a couple of的区别

Question

-----When did you buy the _____ of trousers? -----I bought them a _____ of days ago. A.couple;pair B.pair;pair C.couple;couple D.pair;couple 选哪 请说清楚点 谢谢

Answer 1

选D
a
pair
of
trousers
条裤子因裤管2所量词双a
pair
of眼镜也用
a
couple
of
days
几天固定搭配注意里两天而几天意思