Tom was about to close the window　　　　 his attention was caught by a bird

I regret _____ you that my sister regretted _____ you her date. You are not the kind of person she wants. [ ]

In the reading room, we found her _____ at a desk with her attention _____ on a book.

Ice-cream tastes _______, but it isn’t good ________ health.

She is very _______ about this topic, so we’d better not discuss it in front of her.