-How do you like our restaurant?-I couldn’t have found a ________ one.
I didn't see you at the meeting. If you ______ , you would have met my brother.
Don't use words and expressions or phrases ______ only to people with specific knowledge.
Emergency line operators must always ______ calm.
After 15 years in the USA, he has finally decided to American ______ citizenship.
I'm sure I was right. It is just ______ I didn't lend him the money.