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There ________________ (not-be) Martians on Mars.
WEREN'T
Oops!
Okay!
People ____________ (ask) themselves if there ___________ (be) life on Mars.
ASKED - WAS
Oops!
Okay!
In 2012, Curiosity ________________ (land) on Mars.
LANDED
Oops!
Okay!
The data _______________ (not-show) forms of life in great size but in tiny size.
DIDN'T SHOW
Oops!
Okay!
There ____________ (not-be) canals on Mars. It __________ (be) the poor resolution of the telescope.
WEREN'T - WAS
Oops!
Okay!
The photos ______________ (show) that Mars ____________ (be) similar to Earth's moon.
SHOWED - WAS
Oops!
Okay!
Curiosity rover ______________ (send) a lot of data back to Earth.
SENT
Oops!
Okay!
Mariner 4 _____________ (fly) past Mars and ______________ (take) photos.
FLEW - TOOK
Oops!
Okay!
People _______________ (believe) that Martians dug the canals.
BELIEVED
Oops!
Okay!
In 1877, an Italian scientist _______________ (see) something on the surface of Mars.
SAW
Oops!
Okay!
Schiaparelli _______________ (think) that there ______________ (be) canals on the surface of Mars.
THOUGHT - WERE
Oops!
Okay!
Many years ago, people _____________ (start) looking at Mars with a telescope.
STARTED
Oops!
Okay!
People _________________ (forget) the canals idea.
FORGOT
Oops!
Okay!
Martians ________________ (not-make) canals on Mars.
DIDN'T MAKE
Oops!
Okay!
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