Page 55 execise 1

•a)      Don't close the door.

•b)      Don't open the window.

•c)      Let's not take this train.

•d)     Don't turn right at the bank.

•e)      Let's not go with them.

•f)       Please don't sit down.

Page 55 execise 2

•a)      Don't buy

•b)      Don't be

•c)      Bring

•d)     Take

•e)      Wake

•f)       Don't eat

•g)      Fill

Page 55 execise 3

•a)      Let's stop the work!

•b)      Sit down!

•c)      Come there!

•d)     Open the door!

•e)      Let's straight on the light on!

•f)       Sleep!

Page 55 execise 4

•a)      Watch

•b)      Stop

•c)      Take

•d)     Let's relax

•e)      Watch

•f)       Help