Ответ:

1. Jimmy put down the penknife!

2. Jill take this little box please.

3. she has four brown pairs of stockings

4. how old is Ann's brother?

22.4

Sit down, children! Take your books! Stand up, please. Come to me!

Go to cupboard and open it! Put your shoes down. Put the penknife up! Give his copy-book to me, please! Go to the cinema with your friends!