Read the following conversation and answer the question.

W: If it doesn't stop raining by Thursday, we'll have to cancel the fair.

M: No, we could just hold it indoors in the gym.

W: I've checked. The gym and the school-hall are both booked.

Question: Why will the speakers have to cancel the fair? 

- Because it keeps raining.

- Because the gym's being repaired.

- Because the school-hall is full of books.


Because it keeps raining.