Choose from the box below the correct verb form that goes in the gap.
  
Write down only the verb. If there are two verbs, separate them with a comma.
  
has risesrevolvessetsboilsfreezesdostudieswalkscriessavedgotwasboughtwerechanged
 
was watchingwere playingwere havingwas havingam havingwas studyingwas workingis workingwere visitingwill snowwill bewill finishwill visit
 
wentmadeis makingwas makingis knockingare doingam sendingam uploadingare usingwas doingwere playingwill visit
 
They _____ exercises for losing weight right now.
 
Answer: