This is the 720th most frequent Dutch word.
wordt
"Wordt" is the Dutch third-person singular present tense of "worden," meaning "becomes" or "is becoming."
In this sentence, 'wordt' is used as an auxiliary verb in the passive voice, indicating that the action 'is being done' to the subject 'the book'.
Het boek wordt gelezen door de student.
The book is being read by the student.
Here, 'wordt' means 'is becoming' and it indicates a change of state or development regarding the subject 'he'.
Hij wordt steeds beter in wiskunde.
He is becoming better at mathematics.
In this question, 'wordt' is used to describe a future state, implicitly asking about a condition of 'tomorrow'.