Question

He hated the war so much that he decided to leave the army _____.

A．for long

B．once in a while

C．for good

D．once upon a time

Answer 1

 C

for good (=permanently)永久地:He says he's leaving the country
for good. for long 长久地。按本题题意，用 for long 不妥。once upon a time 从前。once in a while 偶尔。