It's not a(n) ... experiment. In fact, it's realy simple.
complicated
sudden
exact
digital
Each person's fingerprints are ... . No two people have the same fingerprints.
unique
exact
artificial
automatic
Do you know who ... the planet Mars?
discovered
invented
estimated
researched
You need at least three people to ... this machine safely.
operate
estimate
decrease
run
I'd like to find ... more about being a computer programmer.
across
off
out
in
... the TV off. This show is borring.
Put
Set
Turn
Make
In my ..., people will never live on other planets.
opinion
chance
order
case
Alexander Fleming discovered penicillin by ... . He didn't expect to find it at all.
end
chance
order
future
His lessons were alway ... .
facinate
facinating
facinated
facination
I can't remember exactly why we need this ... .
measurement
measure
measuring
measured
I have an idea ...
about how to do this experiment.
of old camping equipment.
with water.
to that piece of equipment over there.
Disconnect your PC ... the power supply before you take the case off.
from
of
with
for
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