The word silently, as used in the last paragraph, means...

The word ‘silently’ is an adverb, it is a synonym for ‘quietly’. It means without making any sound. Example: She sobbed silently in the corner.

Doulingo is good. you can also watch movies that are in french, i am using this tactic  for japanese  and it a lot. listing to music with  french  lyrics would work well too because  you could absorb  the words while having fun.hope this ! : )