---I heard that Bill was scolded by the teacher last week. ---Ah, yes. The teacher wanted to check his exercises, but ___ was finished at all.

I don’t mind her criticizing me, but ______ is how she does it that I object to.

I couldn’t help ______if the bus was late.

I didn’t know which bag was better than the other, so I took them________.

I can’t stand _______ when people litter around in public places.