Present Perfect or Past Simple. What (you/eat) today? I (not/play) tennis for a year. My...

Question

Present Perfect or Past Simple.
What (you/eat) today? I (not/play) tennis for a year.
My grandfather (fight0 in the Second World War .
How long (you/know) them? Not very long.

Answer 1

What have you eaten today? I have not played tennis for a year. My grandfather fought in the Second World War. How long have you known them? Not very long.