—WhatcanIdoforyou，sir?—Iwanttochangethispairofshoes；the...

问题详情：

—What can I do for you，sir?

—I want to change this pair of shoes；they are not________.

A．of same size                                       B．a size

C．of a size                                             D．the same size

【回答】

C　“of＋大小形状的名词”作表语。a相当于the same，表示“相同的”。

知识点：词组 短语

题型：选择题