Who (invent) ________ the microphone? It (invent) ______ by D.E. Hughes in 1878.

Who (invent) ________ the microphone? It (invent) ______ by D.E. Hughes in 1878.

2 bình luận về “Who (invent) ________ the microphone? It (invent) ______ by D.E. Hughes in 1878.”

  1. $\text{Invented/ Was invented}$
    ———————————-
    $\rightarrow$ Who : Ai đó
    $\rightarrow$ Bị Động QKT : S + Was/Were + P2 (By O).

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