I looked all over the house for the letter ______ and it turned out to be in my pocket.

After I put down my newspaper, I walked over to the window and looked out. ________________________,

______________ my newspaper, I walked over to the window and looked out.

All I could hear was the discreet __________ of our new air conditioner.

A、

sound

bang

hiss

buzz

… but as I looked out over the bow, the prospects of a good catch looked bleak.