Поставить глагол в правильную форму our friends already(to be) to different countries. they (to go) to wales today. they already (to do) a lot of exciting things there. but they (not to see) the strange animal yet.

Was been(сомневаюсь)
are going
was done
was not seen

1- our friends have already been to different countries.
2. They have gone to Wales today
3. They have already done a lot of exciting things there.
4. But they haven't seen the strange animal yet.