1. Some old buildings in the city center have been knocked down recently to make room for a new shopping mall.

2. Past students didn't use to have computers and projectors or technological devices in classrooms

3. City people hardly talk about visiting neighbors because they have to work from dawn to dusk

4, It is suggested that traditional crafts should be preserved and promoted.

5. Before taking an entrance exam, he used to suffer from sleep difficulties.

1. Some old buildings in the city              center have been knocked down          recently to make room for a new          shopping mall.

2. Past students didn't use to have          computers and projectors or

    technological devices in                classrooms

3. City people hardly talk about             visiting neighbors because they     have to work from dawn to dusk

4. It is suggested that traditional     crafts should be preserved and   promoted.

5. Before taking an entrance exam,     he used to suffer from sleep   difficulties.