1. Complete these predictions with the correct verb forms. (More than one answer is possible.)
1. In ten years, flights from New York to Tokyo _______________________ (take) less than two hours.
2. Soon, they ________________ (sell) computers that can translate perfectly from one language to another.
3. By the middle of the twenty-first century, scientists ________________ (discover) a way to prevent aging.
4. Sometime in the future, scientists ________________ (invent) a machine that transmits our thoughts.
5. In the future, people ________________ (live) on the moon.
6. In less than a decade, the polar ice caps ________________ (melt), and many islands ________________ (disappear).
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were
was
has
here
were
has
were
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