i 'd like a pair of shoes.i like this pair ,can i try them on?how much are they?一双鞋子是单数,为什么要用them 和are they?

I'd like to buy a pair of jeans .对a pair of 提问 I'd like to buy a pair of shoes提问 I'd like a pair of shoes.(改成问句) ( ) ( )I( ) ( ) ( )sir?I'd like a pair of shoes.I'd like a pair of shoes.为( ) ( )I( ) ( ) ( )sir?的答句 a pair of的用法I don't like this pair of shoes,do you have another_____?A one B ones C it D pair I`d like to buy a pair of jeans.(对划线部分提问)划a I don't like this pair of sunglasses.Will you please show me____?A.another one B.another pair C.the other one D.other pair I don’t like this pair of glasses at all.Please show me _________.A.the other one B.the other pair C.another one D.another pair I don't like this pair of glasses.Could you show me(.)A the other one.B.other pair C another one.D.another pair I don't like this pair of glasses.could you show me_____?A.the other one B.other pair C.another one D.another pair I'd like()on this pair of pants填空 I like the colour of the trousers.So I'd like____A.buying one B .to buy one C .buying a pair D.to buy a pair This pair of sunglasses _____ out of fashion.I’d like to buy a new ____.B.is,pair D.is,one This pair of sunglasses _____ out of fashion.I’d like to buy a new ____.B.is,pair D.is,one I help you?--I'd like to buy ___.122.--Can I help you?--I'd like to buy ___.A.a shoeB.a pair of shoesC.a pair of shoe Can I halp you?I'd like( )for my twin daughters.A.two pair shoes B.two pair of shoe C.two pair of shoe D.two pairs of shoes 谢喽! I like the colour of the trousers.So I'd like () A buy one B to buy one C buying a pair D to buy a I do not like this pair of pants.Would you like to show me ( A another one B the other one C another pair D the other pair请把原因也写出来