From number 21-23 use the answer from 1-4 below.
Operator: The line is free now. I’ll (21____(2)_______you through.
A: Information. Good afternoon.
B: Can I speaking to Miss Julie, please?
A: (22)___(3)______calling, please?
B: Roger Green.
A: (23)______(4)________please. Mr. Green, I’ll get her.
1. extension
3. Who’s
2. put
4. Hold on