Read and choose : on, in, in front of, behind, under.

1. The helmet is \( за,позади \) ... the chair.
2. The watch is \( перед \) ... the bed.
3. The hairbrush is \( на \) ... the fireplace.
4. The roller blades are \( под \) ... the armchair.
5. The gloves are \( в \) ... the box.