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Complete the sentences by changing the form of the word in capitals when this is necessary.
2
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1 Did you know that George Washington had
The old astronomer
patiently made his
he saw.
(WOOD) teeth?
(OBSERVE) and wrote down what
(RESEARCH) have announced that a major breakthrough has been made.
I'm planning to train as a
That
red
(PSYCHOLOGY) when I grow up.
The scientist said she had an announcement of international.
(BUILD) over there is the Science Department.
Science Weekly has a special
(IMPORTANT).
(INTRODUCE) offer - the first issue is free!
If there are aliens out there, do you think they are much more.
(TECHNOLOGY) advanced than we are?