When Peter speaks in public, he always has difficulty ______ the right things to say.
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.