The root "opt" means

The root "phon" means

In the hallways at DHS, the noise is so loud that voices over the loudspeaker are not _________.

The words "blue" and "blew" are examples of _____________ as they sound the same but have different meanings.

A ______________ makes music with many different instruments such as violins, trombones, trumpets, and many others.

The _________ gave a standing ovation to the high school cast of the Senior Play.

If I don't clean my glasses lenses frequently, their _____ quality deteriorates.

My friend has an ____________ deficit, and he has more trouble hearing the voices of others through their masks.

Some people are pessimistic and look on the negative side of things. I prefer to be __________ and look on the positive side of things.

When getting a school computer, insurance is __________, but it surely helps if the computer malfunctions.

Before learning to read, young children need to hear ___________ .

I wanted a part in the play, so I needed to ___________ for it.

A friend of mine designed a room around an enormous set of speakers. There are also six other speakers in that room for effects and full sound. She is a true _______.

In elementary school, when we learn that certain letters and letter combinations represent certain sounds, we are learning _______.

The root "aud" means