His father is very busy ,he is a man---businessA.on B.for C.at D.in选什么谢谢

分类: 作业答案 • 2021-12-19 16:30:23

问题描述：

His father is very busy ,he is a man---business
A.on B.for C.at D.in选什么谢谢

答

D in
in business 在经商（做买卖）
on business 因公（出差）