Do you know where my home is?

Do you know where my home is?
do you know what this is?
what were you doing when I walking on the road?
I was talking to you
Was she here a moment ago?
She was here
waht time were they cooking?
when I came home,they were cooking in the kitchen.
what are you singing?
we're singing a great song
是否正解,如错误,请帮忙改正,