1.
What have you done today?/What have you been doing today?
I have been watching TV since this morning.

2.
How long has your brother been playing the electric guitar?
He has been playing the electric guitas for five years.

3.
Have you been waiting at the bus stop for long?
Yes, we have been waiting here for ages.

4.
How long have your parents been living in this town?
They have lived here since 1995.

5.
What have you and Max been doing today?
We have been playing computer games since breakfast.

6.
Has Jamie been studying languages for a long time?
He has been studying Spanish since he was ten years old.

4. feladat

1. hibás --> ...I haven't had any...
2. helyes
3. helyes
4. hibás --> ...I have lost my...
5. hibás --> ...because we have been running in the park...
6. hibás --> ...messages have you sent...
7. helyes
8. hibás --> ...parents have been going out...