The father as well as his three children _____ skating on the frozen river every Sunday afternoon in winter.
As to the subject, we have consulted the most _______ professor who gave us _______ explanation.
“ Do you mind if I keep pets in this building?” “________________”
The headmaster could not go to the meeting; therefore, Mr. Smith _______ him.
The policemen regretted _______ as soon as possible at the alarm.
He didn’t go to detail on the subject. He spoke ________.