The sub is in the sea.

 A rubber duck is in the tub.

 I like to chew gum.

 What a shiny bug!

 I see a long rug.

 I drink milk from my mug.

 Some people live in a hut.

 Eating nuts is good for you.

 My feet are covered in mud. Yuck!

 The sun is shining high in the sky.