20. He was last communicative ten months ago. He has.................................................................................................................................... 21. Tim has not worked at an orphanage since he moved to London. Tim last............................................................................................................................ 22. Ba has not sent me any mails since last Christmas. Ba last.................................................................................................................................. 23. They last celebrated their wedding ceromony two years ago. They have.......................................................................................................................... 24. Alex has not been disobedient since his teacher was out. Alex was last....................................................................................................................... 25. We have not planned to travel since we ran out of money. We last.............................................................................................................................. 26. Gorge has not been to Hai Phong since last Easter. Gorge was last........................................................................................................................ 27. They last shared their feelings with us in 2012 They have........................................................................................................................ 28. Tom didn’t watch violent movies when he saw a ghost. Tom last.......................................................................................................................... Tom has......................................................................................................................... 29 . Anna last read books when her mother was out for work. Anna has......................................................................................................................... 30. He has not improved his math ability for a fortnight. He last.............................................................................................................................