---Look! The telephone is broken. Someone damaged it ________ purpose.---That may be right. But perhaps it was broken _________ accident.
When he realized the police had seen him, the man ____ the exit as quickly as possible.
——So you are not spending your holiday in Wuhan this year. ——No, ____.
As the proverb ____, an enemy in disguise is a wolf in sheep’s ____.
——What can I do for you, sir? ——I want ____.
One of the requirements for a fire is that the material ____ to its burning temperature.