---Isn’t it a surprise that I happened to meet Francis Mathews at the Christmas Party last week? ---If my memory serves me correctly, you _____ each other for exactly two years.
At the meeting they discussed three different _____ to the study of maths.
The bald eagle_____ the United States.
It was difficult to guess what her _____ to the news would be.
—How do you _____ to her unkindly behavior? —Only silence. Which of the following is wrong?
If his parents are convinced ______ the fact that his son always focuses his mind _______his study.