Put the verbs in brackets into the present continuous or the present perfect continuous

1.A: Hi,Beth. Where are you? I (make) lunch now and it's almost ready
B: We're still at the National Park. We (wait) for the bus for half an hour!

2 A:(you/use) the internet at the moment?
B: yes, I (book) our tickets for the boat tour tomorrow.

3: A: Why (you/buy) so much food today?
B: The Smith's house flooded and they (stay) at our house since last Thursday.

4 A: I don't feel well. My eyes ( ache) now.
B:I'm not surprised. You (stare) at your computer screen for seven hours!

5.A: It's amazing that some of these trees (stand) here for over 800 years
B: yes, it's beautiful here. I want to take some photos, but my camera ( not/work). Can I borrow your phone? ​