Physics ________ my favorite subject. I like it so much that I wish we had a physics class every day.

--- I hear a number of workers in the factory ______ out of work.--- Yes, and the number _______ quite huge.

(2013·咸阳一模)When we entered, we found lying on the ground ________ along with her parents.

Those who _________ singing may join us.

We think that _______ more vegetables _______ good for us.