23．A．invents B．is invented C．was invented D．invented 【查看更多】

 

題目列表(包括答案和解析)

－When was the old car invented?

－I think the car ________ about one hundred years ago．

[　　]

A．invented

B．was invented

C．invents

D．is inventing

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The car ________ by Fort．

[　　]

A．is invented

B．was invented

C．invented

D．invents

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The mobile phone has influenced people's life a lot since it ________．

[　　]

A．invents

B．invented

C．is invented

D．was invented

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The mobile phone has influenced people’s life a lot since it ______.

A．invents B．invented
C．is invented D．was invented

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It’s well-known that the telephone ________ by Bell in 1876．

[　　]
A．

invents

B．

invented

C．

is invented

D．

was invented

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