have been; since ; have visited
has been ; since ; has visited
was; for; visited
We ---(be) together ---(since; for) then and in the last six years we ----(visit ) some awesome places on our holiday.
just
already
yet
She is really happy. She has --- heard that she has pssed the exam.
has known; since
have knew; for
has known; for
Adam ------ Kate --- last February.
since
for
before
They have been friends ---- they were little .