Nathalie connaît la mère de Sarah
Nathalie connaît la mère de Sarah = Nathalie knows Sarah's mother
I corrected your mistake and translated.
Ps: I did this I don't know your instructions you are not clear be precise when you send :):)
1. D. Nouveau
2. B. Nous allons au belgique (We go to Belgium)
It is Venir , can you answer my question ??