Ask the question for the underlined words:
- I have been reading the book for days.
- I have called the office twice.
- They have replied all the received inquiry letters.
- The best employee has been rewarded by firm.
Q1:How long have you been reading the book?
Q2: How often have you called the office?
Q3: what have they done?
Q4: Who has been rewarded by the company?




