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…has ________been to Beijing.
…hasn’t been to Beijing_____.
already
yet
Li Lei has just_______to Shanghai.
gone
just 刚刚
have/has gone to…去了
news n.新闻；消息
the latest news
最新消息
Scientists have just sent a spaceship into the space.
We are very proud of our country !
spaceship
astronauts
Space station
太空站
the moon
--Has anyone been to the moon yet ?
--Yes, astronauts have already been to the moon and they have already taken photos there.
the earth
Mars
the moon
-- Yes, they have already sent spaceships to Mars.
--Have scientists discovered life on Mars?
=found
--No,they haven’t.
-- Has anyone been to Mars yet ?
-- Have scientists sent spaceships to Mars?
-- No, no one has been to Mars yet.