To _____ means to feel sorry for a sad fact or a mistake that one has made. A. obey B. refuse C. Regret
–Look at the woman, why does she look so tired? --Because she has three babies to ____.
There are so many good books. I really don’t know ____ .
Our English class is so ____ that all of us are _____ in it.
The students should ________ to choose their own clothes. It will be a good way _____ themselves happy.
I _____ have short hair, but now I ______ to having long hair.