Question

_____ of the apple ____ bad and he has to throw it away.

1. A.
   two third; went
2. B.
   an half; went
3. C.
   two thirds; go
4. D.
   two thirds; goes

Answer 1

D
考查分数以及用法。分子用基数词，分母用序数词，当分子大于1，分母要加s,而分数+ of+单数名词，谓语动词用单数。故选D。