III.

1. We haven't seen her since Christmas Day.

2. This is the first time I have eaten this kind of food

3. It has rained for an hour   

4. The last time we visited my grandfather was 2 months ago

5. I began studying english 3 years ago

6. It's nearly five years since my brother last saw his best friend

IV.

1. Have done

2. Has written - hasn't finished

3. Left - have never met

4. Have you had

5. dId you do - did you play

V.

1. For

2. Since

3. For

4. For

5. Since

6. Since

7. For

8. For

9. For

10. Since

1. We haven't seen her sine Christmas Day.     2. This is the first time I have eaten this kind of food    3 . It has rained for an hour      4 . The last time we visited my grandfather was 2 months ago            5. I began studying english 3 years ago   6. It's nearly five years since my brother last saw his best friend

IV.

1. Have done

2. Has written - hasn't finished

3. Left - have never met

4. Have you had

5. dId you do - did you play

V.

1. For

2. Since

3. For

4. For

5. Since

6. Since

7. For

8. For

9. For

10. Since