a pair of skate还是a pair of skates

a pair of skate还是a pair of skates a pair of gloves还是a pair of glove 是a pair of glass 还是a pair of glasses 关于pair的用法a pair of socks 中,主语是pair还是socks? a pair of shoes a pair of couple a pair of a pair of Need a pair of a pair of glass是单数还是复数?应该是a pair of glasses 请问是 a pair of glass还是a pair of glasses? a big pair of shoes 还是 a pair of big shoes如题 a pair of new shoes 还是a new pair of shoes a new pair of shoes 还是a pair of new shoes?为什么? 是I have a pair of new shoes.还是 I have a new pair of shoes. a pair of new shoes 还是a new pair of shoes 是there is a pair of giasses 还是 there area pair of giasses A pair of shoes的谓语系单数还是复数