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一、选择题 (共15题)
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1.
With the theme “5G+By All For All”, the 2022 World 5G Convention ________ in Harbin, capital of Heilongjiang Province, on Aug 10, 2022.
A . kicked off B . kicks off C . was kicking off D . has kicked off
2.
In less than 3 months, the world ________ the Asian Games.
A . was watching B . watched
C . will be watching D . has been watching
3.
Paper ________ in ancient China more than 2,000 years ago.
A . invented B . was invented C . invent D . is invented
4.
She ________ an English magazine when I came in.
A . reads B . had read C . will read D . was reading
5.
In the near future, there ________ self-driving cars in our city.
A . is B . was C . are D . will be
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