Sometimes drivers give him a tip so that he has just enough money to .A. live byB. live f

问题补充：

Sometimes drivers give him a tip, so that he has just enough money to .

A. live by

B. live for

C. live on

D. live with

答案：

A. live by

B. live for

(答案→)C. live on

D. live with

解析：本题考查固定词组。Live on…靠…为生；by表示靠…手段。句意：有时司机给他小费，因此他刚好有足够的钱生活。