Вопрос № 1

... my book anywhere? I can`t find it.

Did you see
Have you seen

Вопрос № 2

... did my homework. Now I can go for a walk.

I have done
I did

Вопрос № 3

... football yesterday.

We didn`t play
We haven`t played

Вопрос № 4

Someone ... all the cakes. I`ll buy some more.

has eaten
ate

Вопрос № 5

Children ... their Granny three days ago.

have visited
visited