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_____ (invent) devices became an obsession for Nikola Tesla.
INVENTING
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She can't stand _____ (listen) to that scientist on the radio!
LISTENING
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It will be difficult _____ (design) this gadget!
TO DESIGN
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_____ (fly) drones is one of my favourite pastimes.
FLYING
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I would like _____ (research) more about how electricity works.
TO RESEARCH
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Bella generates electricity by ____ (cycle) on a stationary bike.
CYCLING
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We are thinking of _____ (have) a celebration at the weekend.
HAVING
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She really enjoyed _____ (watch) the documentary on Thomas Edison.
WATCHING
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It's dangerous _____ (put) your phone under the pillow.
TO PUT
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He creates gadgets _____ (earn) money and recognition.
TO EARN
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He decided _____ (meet) the inventor in person.
TO MEET
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My sister hopes _____ (become) an astronaut in the future.
TO BECOME
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He was the last _____ (realise) that it had already been invented.
TO REALISE
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I go _____ (swim) to get away from my work for a while.
SWIMMING
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Use strong glue _____ (stick) it back together.
TO STICK
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