Решение:
Расставляем слова в правильном порядке, чтобы получились осмысленные предложения.
- computer / small / is / our → Our computer is small.
- big / is / their / computer → Their computer is big.
- their / is / old / camera → Their camera is old.
- new / camera / is / our → Our camera is new.
Ответ: 1. Our computer is small. 2. Their computer is big. 3. Their camera is old. 4. Our camera is new.