He used to be ________ UNICEF worker, but now he is really ________ excellent basketball player.
When the parents arrived at the hall, the students _______ their projects.
Tom Sawyer let his friends _______ a long fence by playing a trick one afternoon.
There are three English-books on the shelf, but ______ of them is mine.
The manager asked him if he ________for the extra work the next weekend.
The meat with eggs tastes ______. Would you like some more?