The first computer, which ___________ human life later on, was invented by John Mauchly and Presper Eckert.--优优班--学霸训练营

The first computer, which ___________ human life later on, was invented by John Mauchly and Presper Eckert.

A．was changing

B．will change

C．had changed

D．was to change

【考点】过去将来时

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难度：难

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