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Activity 1:
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Restart
alter
alteration
Oops!
Okay!
tear down
tearing down
Oops!
Okay!
enlarge
enlargement
Oops!
Okay!
renovate
renovation
Oops!
Okay!
modernise
modernisation
Oops!
Okay!
construct
construction
Oops!
Okay!
flatten
flattening
Oops!
Okay!
convert
conversion
Oops!
Okay!
develop
development
Oops!
Okay!
knock down
knockdown
Oops!
Okay!
knock down
knocking down
Oops!
Okay!
put up
putting up
Oops!
Okay!
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