问题
选择题
Mrs. Green would like to buy _____.
A. a kilo of apple B. two kilos of apples C. three kilo of apples
答案
答案：B
题目分析：句意：格林太太想要买两千克苹果。apples是可数名词，复数加s，故排除A项; kilo是kilogram的缩写，也是可数名词，复数加s。两千克和三千克，都要用复数形式，故选B。