Irregular plurals

Ahmad bought ten _______ (box) of tissue.

I have two washing ________ (machine) at home.

Please wash these ________ (knife).

The __________ (child) are playing in the field.

Mother bought some ______ (potato) from the market.

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

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

There were many ______ (baby) at the clinic.

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

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