a, having devoted all his life to the freedom ofSouth African Blacks, is a real fighter for us to_________.

The president promised to keep all the board members _____ of how the negotiations were going on．

Our team won the basketball final today! — ___________

Does he know how to work out the problem?—Yes, he has ___ a good idea to solve it. —-Yes, he has ___ a good idea to solve it.

The librarian took a story book _____ from the shelfand gave it to the girl.