He was walking along the beach. All of _____ sudden, he saw a beautiful girl dancing ______ music.

In a harmonious society,we’d better prevent pollution _______ happily. [ ]

_____ is the weather _____ today—It’s cool.

I like these photos and they can________me________the life living in America.

Mike spends a lot of his spare time on computer games.— So does my son. The children have become hopelessly ________the games.