What is the direct object of this sentence? the pyramids of giza are one of the wonders of the world.

What functions as a reflexive pronoun in the sentence the professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves

Choose the best paraphrase of bashes haiku an old silent pond a frog jumps into the pond splash silence again a.the pond was silent until the frog jumped in splashing now alternates with quiet b.a pond will never be silent after one frog jumps into it and starts splashing around c. a frog jumps into a quiet pond there is a splash then all is quiet once more d. there was once an accident body of water that a frog splashed into and died

How would the meaning of the excerpt change if mutterings was replaced with conversations?