b- Fill in the blanks with the appropriate prepositions.
7. .........first I found the work very tiring, but ..........a few weeks I got used ...........it.
8. Let’s look these new words .................in a dictionary.
9. Have you said congratulations ................Jack?
10. He was .......prison .........two years ......that time he became interested in pigeons.
11. He’s tired ...........all the hard work he’s done to day