Question

i have a cold in a/an head.
a/an English are industrious.
iron is a/an useful metal.​

Answer 1

I have a cold in a head.

An English are industrious.

Iron is an useful metal.

Answer 2

Answer: a, an, an

Explanation:

i have a cold in a head.

an English are industrious.

iron is an useful metal.​

Hope you find these answers right and helpful!!