1. Mobile phones used to cost a lot of money.
2. Most people did not use to own a mobile phone.
3. People used to make fewer phone calls.
4. Did mobile phones use to be bigger?
5. Mobile phones did not use to have touch screens.
6. Did mobile phones use to send text messages?
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1. Mobile phones used to cost a lot of money.
2. Most people did not use to own a mobile phone.
3. People used to make fewer phone calls.
4. Did mobile phones use to be bigger?
5. Mobile phones did not use to have touch screens.
6. Did mobile phones use to send text messages?