Front

There are many ________ germs in the air.

Back

Invisible

Front

Add a suitable prefix or suffix to the following: My shoe is _________. (Not tied)

Back

untied

Front

Not polite

Back

impolite

Front

Behave badly

Back

misbehave

Front

Did you see that ________ rainbow in the sky? (full of color)

Back

colorful

Front

The tigers in the backyard are ____________. (without harm)

Back

harmless

Front

A prefix goes _________ of a word.

Back

at the beginning

Front

A suffix goes _______of a word.

Back

at the end 

Front

What does the prefix bi- mean?

Back

two

Front

not sure

Back

uncertain