Sir you are not allowed to enter the building unless you get our manager’s.A. permissionB

问题补充：

Sir, you are not allowed to enter the building unless you get our manager’s.

A. permission

B. connection

C. instruction

D. introduction

答案：

(答案→)A. permission

B. connection

C. instruction

D. introduction

解析：名词词义辨析题。先生除非你得到经理的允许否则你不准进入楼里。 A. permission 允许 B. connection 联系 C. instruction说明 D. introduction 介绍根据语境选A