Question

His bother is _____ to join the army. A enough old B old enough C enough young D elder enough

答案是B 可我认为是A

Answer 1

a选项是too...to....结构，意思为“太...而不能”，enough修饰形容词要后置，c选项不符合语境，如果选d，要把young改为old。故选a。