Prepositions in connection with fixed phrases 1

In Danish prepositions are often used in fixed phrases. Is this also the case in English?

Click the word in the English sentence that matches the preposition in Danish.
Click the blue box next to the sentence if no word matches the preposition in Danish.

Hun går på universitetet.
She goes
 to 
university
               
Jeg er under uddannelse.
I am a student
               
Hun er under politibeskyttelse.
She is
 under 
police protection
               
Drengen er over 15 år.
The boy is
 over 
15