Resposta:
1) the clock is (on) the wall
2) the ball is (under) the table
3) the cat is (beside) the armchair
4) the table is (beside) the armchair
5) the carpet is (on) the floor
6) the lamp is (on) the table
7) the flowers is (inside) the vase
8) the table is (beside) the chair and armchair
Explicação:
Bem, o "on" TALVEZ esteja certo pelo oq eu lembre, mas o resto pode confiar :3