Did you hear that noise? I'm sure there must be ......

Did you hear that noise? I'm sure there must be ...... (*) a bugler in the house (*) a bungler (*) a burglar in the house (*) a bowler in the house


This is a companion discussion topic for the original entry at https://english.best/questions/7142,did-you-hear-that-noise-im-sure-there-must-be-___/