I __________ such a bizarre parasite before today.
have never saw
never have seen
have seen never
have never seen
My science teacher __________ us many amazing photos of deep-sea creatures.
has show already
already has shown
has already shown
has shown yet
My cousin __________ his report about life in the Arctic yet.
hasn't written
hasn't write yet
hasn't wrote yet
hasn't already written
I __________ such an extreme environment in my life.
have visited never
never have visited
have never visit
have never visited
We __________ any animals living near underwater volcanoes yet.
haven't found
have yet not found
haven't find yet
have not found already
The researchers __________ enough information yet.
haven't already collected
haven't collect
haven't collected
have not already
__________ you ever __________ an animal survive without oxygen?
Have / saw
Have / see
Have / seen
Has / seen
They __________ a tiny creature that can survive freezing temperatures.
have already discovered
have already discover
already have discovered
have discovered already
I __________ anyone describe a water bear before.
have heard never
have never hear
never have heard
have never heard
Scientists __________ several new species in this cave already.
already have yet
have discovered
have discover
have never discovered
Our group __________ all the answers to the science quiz.
has yet find
already has found
has found yet
has already found
We __________ many interesting facts about animals living in extreme conditions.
have already learned
have learned yet
yet have learned
have already learning
My brother __________ interested in deep-sea animals before.
has never been
never has been
has be never
has never be
She __________ inside a real science laboratory before.
has never worked
has worked never
has never work
never has worked
The students __________ their experiment successfully already.
have complete already
already have completed
have completed
have completed yet
We __________ how brine shrimp survive in salty water.
have learned yet
have already learn
have already learned
yet have learned
I __________ a documentary about tardigrades, so I know a lot about them.
already have watched
have watch already
have watched already
have already watched
My class __________ the reading about life in Antarctica yet.
hasn't already completed
hasn't complete
has not completed already
hasn't completed
My friends __________ their posters about extreme environments yet.
haven't finished
have not finish
haven't finish
haven't already finish
__________ your classmates ever __________ about extremophiles before?
Have / readed
Has / read
Have / reading
Have / read