A. invented B. found C. found out D. discovered——青夏教育精英家教网——

摘要： A. invented B. found C. found out D. discovered

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Bell the telephone which is still being used today.

A. invented
B. discovered
C. found
D. found out

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We all know that Bell the telephone. It's very useful today.

A. invented
B. discovered
C. found out
D. found

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Bell ________ the telephone which is still being used today.

[　　]

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Bell ________ the telephone which is still being used today.

[　　]

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The telephone ________ in 1876 by Bell.

[　　]

A．was discovered

C．was invented

D．was found out

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