1.sometimes he felt lonly,because he misssed his old friend very much.
2.they have decided to go to Japan for a holiday.
3.have you got his letter?
4.it hasn't rained since last month.
5.by the way,do you know that my family have owned this boat since 1920?
6.there are less unused area in the city than in the countryside
7.we watched the show in the colsure of World Cup.
8.there are all kind of pollution in the city such as light pollution,tax pollution and noise pollution etc.
9.she has an imcomplete family.her father died four years ago.
10.it has been more than thirty years since his fahter and mother got married.
11.it has been a year since his father died.
it's a year since his father died.
his father died a year ago.
it's a year ago that his father died.
his father has been dead for a year.
12.it has been three years since Tom left his home.
it's three years since Tom left his home.
Tom left his home three years ago.
it's three years ago that Tom left his home.
Tom has been away from home for three years