—More than fifty students competed _______each other in the composition competition. —But they could only compete _______three medals.
There must be _____ book which could help .
Sarah hopes to become a friend of _____ shares her interests.
The young man spent as much time as he _____ over his lessons.
--- Who should I send this message to ? --- The mayor is the one ___ ?
He wrote a lot of novels, none of _____ translated into a foreign language.