Fill in blanks.заповни пропуски. in on under between next to a bag is under the desk. a pen the pencil. an exercise-book is the desk. a rubber and a pencil-sharpener pencil case. a pencil is the pen and the exercise-book.

A pen is next to the pencil.
An exercise-book is on the desk.
A rubber and a pencil-sharpener are in the pencil case.
A pencil is between the pen and the exercise-book.