— My son, who is now studying at a university, uses more than 3,000 yuan a month.
— Well, tell him to be economical(节约). After all, .
A. the morning sun never lasts a day
B. money doesn’t grow on trees
C. light e, light go
D. penny wise, pound foolish
网友回答
A. the morning sun never lasts a day
(答案→)B. money doesn’t grow on trees
C. light e, light go
D. penny wise, pound foolish
解析：考查谚语。A好事不长久。B天上不会掉馅饼。C来得快，去得快。D贪小便宜吃大亏。由语境可知B项符合句意。