–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.
Sweet memories __________ as I looked at the pictures __________ were taken at the beach last summer.
When the expression first came into being, people refused to use it but __________ they began to accept it.
Willie's wife never gives him pocket money until he __________ clearly how he will spend it.
Can you explain __________ the sun goes down in the west?
What an unforgettable experience ! I'll write it down __________ it is still fresh in my memory.