Mr. Smith has been here for only a few days so he hasn’t left a deep impression us.A. o

问题补充：

Mr. Smith has been here for only a few days, so he hasn’t left a deep impression us.

A. on

B. with

C. about

D. for

答案：

(答案→)A. on

B. with

C. about

D. for

解析：考查固定短语：leave a deep impression on sb 个哦某人留下深刻的印象，句意：史密斯先生来这只有几天，因此他没有给我们留下深刻的印象。所以选A。