Present simple или present continuous? Растолкуйте, почему? Put verbs

Present simple либо present continuous? Объясните, почему?
Put verbs in brackets in the present simple or continuous.
1. I..........(love) pasta but my brother doesn't, so we..........(have) grilled chicken today.
2. A: What........you..........(do)
B: Oh, I..........(read) a magazine. I...........(wait) for my favourite TV show to start.
3. A: How often............you..........(eat) out?
B: Once a week. I............(meet) my friends and we.......(go) to Tony's.
4. A: Where.........(you/go)?
B: To the supermarket. We..........(not/have) any past. ........... you ............(want) something?