Half of ________ surveyed in 16 countries say they go first to their closest friend to share their deepest wishes and darkest fears.

When you have any questions，tum to Jane or Lucy or _________ your group．

I was looking for a birthday gift for my mother, but I couldn’t find ______ suitable.

ized as online games are, they neverfail to ______ a large number of teenagers．

Most of us value our time, but some of us treat it ________ it had no value at all.