Past Perfect or Present Simple?8) When the lost train (leave)?9) Would you like something to eat? No thanks. I just (have)

8) When did the last train leave? 9) - Would you like something to eat? - No, thanks. I have just had lunch. 10) Was the weather good when you were on holiday? 11) We haven’t seen each other for a long time. 12) It\'s the most interesting book I have ever read. 13) He has drunk too much coffee today. 14) What did you do at the weekend? 15) John is hungry. He hasn’t eaten anything since breakfast.