The rules that punish the students for their bad actions and habits get the students _________.

I felt very __________ when I was having classes this morning.—Did you stay up very late last night?

________ you stepped into the lab with your shoes on? You’re supposed to take them off before you enter it. I told you so!

_____ all the animals I’ve ever had, these two dogs are the most sensitive to the spoken word.

____some doubt among scientists about the cause of cancer.