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

A. permission    B. connection       C. instruction    D. introduction

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

1. A.
   permission
2. B.
   connection
3. C.
   instruction
4. D.
   introduction

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

A. permission    B. connection  C. instruction    D. introduction

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