2. Transform the sentences and use either Present Perfect Simple or Present

2. Transform the sentences and use either Present Perfect Simple or Present Perfect Continuous.
1. She has walked 10 km. ____________________________(for 3 hours).
2. I have been talking to Ann on the phone since 2 oclock. __________ (just).
3. Nick has learned this poem by heart! _________________ (all morning)!
4. Mummy has been cooking for 2 hours. ____________________ (yet)