The computer, help we human beings have stepped into the information age, should be regarded as one of the most important inventions in the 20th century.
A.which | B.whose | C.with its | D.with whose |
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The computer, help we human beings have stepped into the information age, should be regarded as one of the most important inventions in the 20th century.
A.which | B.whose | C.with its | D.with whose |