Поставьте глаголы в Present Perfect или Past Perfect. I (get) a fax from Boston an hour ago, but I (not answer) it yet. It's the most delicious cake I ever (taste). When and where you (buy) it?
I got a fax from Boston an hour ago, but I have not answered it yet. It's the most delicious cake I have ever tasteed. When and where have you bought it?