You can increase enrollment in foreign language classes by promoting those foreign languages somehow. You need to appeal to children's interests, by showing them that learning new languages is both interesting and beneficial for them. Nowadays, knowing English is extremely important, but people who can speak more than one language tend to be more successful in life and jobs.
The fourth option
sentence fragments cannot stand on its own even though it is punctuated. an example of this is: after the party.
To be a soldier, with a view of the enemy, Caesar
i think this is it