---Do you know who invented ________ telephone?
---No. But it is really________ most important invention.
A./; the | B.the ;/ | C./ ;a | D.the ;a |
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---Do you know who invented ________ telephone?
---No. But it is really________ most important invention.
A./; the | B.the ;/ | C./ ;a | D.the ;a |