listen - help- tell- turn on - buy- study- call- keep
1. you can buy a robot (to help) you do your homework .
2. we use a clock ...... time.
3. you use this switch ........the computer.
4. emily needs a mobile phone ......her friends.
5. A fridge is useful ......food cool.
6.Paula has a CD player......... to her favourite music on the train to work .
7. Carlos went to university......... computer science.
8.My brother is saving all his money ......the latest computer game.