Twelfth Set.
Pray, what is this?

1.Screw.
2.Hinge.
3.Tool.
4.Nail.
5.Tack.
6.Knob.
7.Rule.
8.Lock.
9.Buckle.
10.Key.

Thirteenth Set.
You know what this is?

1.Shot.
2.Powder.
3.Bullet.
4.Gun.
5.Pistol.
6.Percussion cap.
7.Cartridge.
8.Surgical instrument.
9.Musical instrument.
10.Tuning fork.

Fourteenth Set.
Quick! This article.

1.Bouquet.
2.Bouquet holder.
3.Flower.
4.Wreath.
5.Leaf.
6.Toy.
7.Flag.
8.Bottle.
9.Game.
10.Doll.

Fifteenth Set.
Name this article.

1.Pen.
2.Penholder.
3.Pencil.
4.Eraser.
5.Rubber.
6.Case.
7.Spool.
8.Soap.
9.Perfumery.
10.Cup.

Sixteenth Set.
Say, what is this?

1.Card.
2.Cardcase.
3.Playing card.
4.Button-hook.
5.Key ring.
6.Bunch keys.
7.Tablet.
8.Cord.
9.Tweezers.
10.Cork.