⇢ 
Степанов
Помогите выбрать правильную форму глагола.
1) We already ___________ (were, have been) to the
World of Adventures.
2) We ___________ (were, have been) in the World
of Adventures three years ago.
3) He ___________ (didn't see, hasn't seen) the
Computerland when they were in the Amusement Park.
4) He ___________ (didn't see, hasn't seen) the
Computerland yet.
