Ответ:

footballwatchskateboardcomputercamera
LauraX✔X✔X
SteveXXX✔✔
Paul✔✔XXX
TonyXX✔X✔
  1. Has Laura got a camera? No, she hasn't.
  2. Have Steve and Tony got cameras? Yes, they have. Their cameras are old.
  3. Has Paul got a red football? Yes, he has but it is red. It is white.
  4. Laura and Steve have got skateboards.
  5. Laura's and Paul's watches are expensive.