—Myson,whoisnowstudyingatauniversity,usesmorethan3,000...

问题详情：

 — 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 come, light go                                                        D. penny wise, pound foolish

【回答】

B

知识点：交际用语

题型：选择题