閱讀下面短文，按照句子結構的語法情況和上下文連貫的要求，在空白處填入適當的詞或用括號中所給詞的正確形式填空。每空不超過一詞。
   Many changes have taken place in Moonlight Town over the years.
   In the past，there

were

were

（be） only small and dirty roads in the small town.There was rubbish everywhere，

but

but

now the streets are wide and clean，with many green trees

on

on

both sides.The government has also

built

built

（build） shops and tall buildings in some large open spaces.
   Years ago，people

lived

lived

（live） in small old houses.Now most of them have moved into new flats.They could only

listen

listen

（listen） to the radio or watch TV in the past，but now most

families

families

（family） have computers and they can surf the Internet at home.Also，mobile phones make communication

easier

easier

（easy） than before.
   In the past，people travelled around the town on foot or by bike，but now they can go around by bus or taxi.Many people also have

their

their

（they） own cars.
   Now people are

enjoying

enjoying

（enjoy） a comfortable life.