Raising questions.

Questions from G3:

Q1:How many birds had been shot by Mr Gregg and Philip and William ?
Q2:What the mean of "on earth" on page 18
Q3:What does the phrase "Be off !" mean in page nineteen ?
Q4:What would Mr Gregg to do at night?

G4, if you would like to answer the questions, please click the comments to answer them.