* Fill in each blank with one suitable preposition.
1. The bottle is full ………………water.
2. He was successful ………………his job.
3. What do you often do ………………weekends?
4. If I had today ………………, I would go to the seaside.
5. Yesterday Nga was absent ………………class because she was ill.
6. Mount Pinatubo, which is a volcano ………………the Philippines, erupted in 1991.
* Complete each sentence with a word formed from the word given.
1. English is ………………………taught in Viet Nam's Secondary Schools. (primary)
2. As she is 18, she wants to become ………………………of her parents. (depend)
3. Your car is very ………………………. It hardly seems to use any petrol at all. (economy)
4. They are going to hold a party in celebration of their ………………………wedding anniversary. (fifty)