--You have dropped ____ “s” in the word “necessary”.-- Oh, yes, ____ letter “s” should be doubled.A. a, an B. an, an C. an, the
—Hello, May I speak to Mr Black? —Sorry, he ______ Hong Kong for a meeting and he______ back in a week.
I like playing fireworks at the Spring Festival because the buildings look shiny and beautiful ___ them.
My uncle the club in 2010. He the club for over 3 years.
It's very to play Chinese chess with old friends at home.
It’s almost eight years we _______ each other last time.