complete the sentence with the past progressive form of the verb. put we the finishing touches on the…

complete the sentence with the past progressive form of the verb. put we the finishing touches on the advertisement for the fall harvest festival when the organizers called to say that, regrettably, the dates had changed.
Answer
Brief Explanations:
The past - progressive tense is formed with was/were + present participle (-ing form of the verb). Since the subject 'we' is plural, we use 'were'. The present participle of 'put' is 'putting'.
Answer:
were putting