Irregular plurals

Ahmad bought ten (a)   (box) of tissue.

I have two washing (a)   (machine) at home.

Please wash these (a)   (knife).

The (a)   (child) are playing in the field.

Mother bought some (a)   (potato) from the market.

The old man had misplaced his bunch of (a)   (key).

My father chopped down three coconut (a)   (tree) that were in front of my house.

There were many (a)   (baby) at the clinic.

Emmer is busy sweeping all the dried (a)   (leaf) under the mango tree.

I have been home for more than 21 (a)   (day).