Put in the missing prepositions:This style of clothing is very popular

Put in the missing prepositions:

This style of clothing is very popular ..... teenagers.
A dog is faithful ...... its master.
Hes very critical ...... my work.
You must be patient ...... him
Shes jealous ...... her friends success.
Fresh air is good ...... you.
Your face is familiar ...... me.
I am very mach obliged ...... you ...... your help.
If you compare my work ...... his, you ...... will see the difference.
You must concentrate ...... what you are doing.