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根据短文内容及括号内所给(短语)动词的提示,用正确的时态或语态补全短文,使短文完整、通顺。

The clockwork radio (发条式收音机) is the only radio that doesn't need batteries (电池) or electricity. It is powered by turning the handle (手柄) for a minute. Nowadays, thousands of these radios 1.(make) every day.

The clockwork radio2.(invent) in 1991 by Trevor Bayliss, a British inventor. Trevor had the idea while he 3.(listen to) some news on the radio about Africa. It4.(report) that Africans were dying of Aids and there was no easy way to send them information about the disease.

But no one would help Trevor develop his idea for a new kind of radio. Finally, in 1993, his invention 5.(show) on a TV program, and afterwards, a South African businessman6.(hear of) Trevor's clever idea and contacted (联系) him. The first Freeplay radios7.(build) in South Africa in 1995.

Since then, the radios8.(be) a great success. Trevor has been given many prizes, including one from Nelson Mandela.

Trevor 9.(hang) a letter on the wall in his house. It 10.(write) in 1991 by another engineer, who explained why he thought Trevor's idea for a clockwork radio couldn't possibly work!

九年级英语语法填空中等难度题

少年,再来一题如何?
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