Anna ___at
home. Her children___ at school.​

Anna is at home. // was

Her children are at school. // were

Anna is at home. Her children are at school

on the whole - в целом, вообщем

in many ways - во многих отношениях, многими путями (типа достичь чего-то, решить что-то)

)have you been

2)i have already visited

3)have u done

4)waked,went

5)i have already tried

6)i havent visited,havent visited