1)tony has been writing the letter for an hour.
2/they have been cycling for a long time.
. he doesn't like to drink wine.
2. what is the paper made of?
3. reading is his favourite occupation.
4. my mother bought me a blue ribbon.
5. this has always been my blue ribbon.
6. where is the paper i was reading two minutes ago?
7. she was asked to deliver a speech at the reunion tomorrow.
8. tell him to buy a tea for me and a beer for my father.
9.a good knowledge of a foreign language is always a priority.
10. is a glass really made from sand?
11. there was a flour everewhere in the kitchen .
12.an education is what he lacks at present.
13. is that piece of clothing made from wool or cotton?
14. when did he come into a fortune?