1.I have been studing English since 2006
2. He has been building the house in the village for 2 years
3. They have been reading this book since Friday
4. She has been writing her composition for 2 hours
5. We have been walking to the town since 3 o*clock
6. I have been cooking dinner for my family for half an hour
7. They have been watching a new film for an hour
8. The kitten has been playing with a toy since this morning
9. Ann has been speaking over the telephone for 40 minutes
10. They have been working there since 2008
4 b use within a week = don't use after 7 days
5 b won't be allowed = nobody can enter
6 b a wide range of brands = a variety of products