A-A+
It was difficult for him to buy good shoes bec
问题详情
It was difficult for him to buy good shoes because he had such a big ______ of feet.
A．couple
B．size
C．number
D．pair.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：一双脚应说成apairoffeet。pair指大小，尺寸，重量，规格相等的两件东西，构成一副，一对，一双，一条等，而couple虽然也指一副，但并不指大小、尺寸等完全相同。couple指有关系的两个人或两件事。
