We ________ used computers years ago, but now they are everywhere.
I have to speak to my grandpa loudly because there’s _______ with hiSears.
The teacher came in. All the students stopped ______ and ______to her.
Don’t go out on the thin ice, ________ you’ll fall in the river.
We love to go to the country in spring because the flowers smell so _____.
—May I smoke here? —________, you ________. It can be dangerous.