Question

we must use a_____ when we cough or sneeze​

Answer 1

We must use a handkerchief when we cough or sneeze.

❤️(Hope its help you)

Answer 2

$</h2><h2>{\huge{\underline{\bf{\green{H}}}}}{\huge{\underline{\bf{\red{e}}}}}{\huge{\underline{\bf{\blue{l}}}}}\huge\mathcal\colorbox{yellow}{{\color{blue}{l}}} \huge\mathfrak\red{o}$

Kerchief⚡