The computer, that is a 20th century invention, has created startling technological changes in the way we organize and produce information.()
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The computer, which is a 20th century invention, has created startling technological changes in the way we organize and produce information.()
The computer, () is a 20th century invention, has created startling technological changes in the way we organize and produce information.
A.that
B.which
C.what
D.it
The computer, () is a 20th century invention, has created startling technological changes in the way we organize and produce information.
The computer, what is a 20th century invention, has created startling technological changes in the way we organize and produce information.()
The computer, it is a 20th century invention, has created startling technological changes in the way we organize and produce information.()
A.a/a/the
B.a/the/the
C.the/a/a
D.a/a/a
Tom is better () playing the piano than computer games.
A.at
B.in
C.for
A.would learn
B.would be learning
C.will learn
D.are learning