These records are required to be paid __________ .
Wang Feng’s _________ our school at the English speech contest proved to be a success.
Do you think it _________ to argue with them? The question is not worthy_________.
The new manager had a bad cold, and _________ couldn’t come to the party.
—Your brother was brave enough to tell the truth in public. ---Yes, and he will never regret_________ that. I admire him so much.
The best way Tom thought of_________ his strength is to run for 30 minutes every day.