How much do you know about Japanese phrases?

Q1. How should you say when you just come back home?

Q2. How should you say when you start your meal?

Q3. How should you say when you finish your meal?

Q4. How should you say when you go to bed?

Q5. How should you say when you meet someone new?

Q6. How should you respond to "Arigatou(ありがとう)"?

Q7. How should you respond to "Iras shai mase(いらっしゃいませ)"?

Q8. How should you respond to "Moukari makka(もうかりまっか)"?

Q9. How should you respond to "Gochisousan(ごちそうさん)?"

Q10. How should you respond to "ITTE KIMASU(いってきます)"?