Who invented Chain Pump?
Bi Nan.
举一反三
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The following passive used indicates that___ A: - Who invented the telephone? B: - It was invented by Graham Bell ．
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—[u] [/u] was the car invented? —It was invented in 1983. A: When B: Why C: How D: Who
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It was Liu Bang who invented tofu in Anhui province.
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It was Liu Bang who invented tofu in Anhui province.
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It was Dr. Rontgen who （） X-rays. A: discovered B: invented C: made u