Answer: One of the two below:
- they don't read books every day
- they do not read books every day
Explanation:
When dealing with a negative in the English language, we can use words such as "no," "not," or "non" or phrases such as "don't," "isn't," etc.
In this case, we are stating that they do not read books every day, since the negative of do read is don't read.
See another example of this here:
https://brainly.com/question/24318560