III.
1. Well, Agnes has been wrinting many letters.
2. Well, I have been spending much money on books.
3. Well, I have been answering all your questions.
4. Well, Nick has been painting flowers.
5. Well, we have been doing many exercises.
6. Well, it has been snowing much here.
7. Well, I have been swimming much.
8. Well, we have been practising the piano.
9. Well, I have been driving fast.
10. Well, Alice has been collecting many plants.
IV.
1. since
2. for
3. for
4. since
5. since
6. for
7. since
8. for
9. for
10. since
