问题
选择题
Only____________ of the food__________ bad. You needn’t throw all away.
A．two ninth, have gone
B．two ninths, have gone
C．two ninths, has gone
D．two ninth, has been
答案
C
题目分析: 句意：只有九分之二的食物坏了，你不必把所有的扔掉。go bad变坏，throw away扔掉；分数分子大于“1”时，分母序数词加s；food食物，不可数名词，谓语动词为单数，故选C.