I really didn’t know who ______ for the broken window, for none of them admitted that he had done it.
Susan decided not to work on the program at home because she didn’t want her parents to know what she_____.
----Did you tell Julia about the result? -----Oh, no, I forget. I _____her now.
After the long journey, the three of them went back home, ______.
He _________ to go through the hard times and finally became a famous artist.
It is well known that biology is ______ science about living things.