The best way to memorize something is to read a part of it over and over out loud at least 3 times, then do it 5 minutes later until you memorize it, then move on to the next part and repeat.
Salut !
Léa et Jacques sont allés à la montagne.
1. 2: Leur - Les amis; is plural people.
2. 4: Te - Indirect form of toi is te.
3. 1: Lui - Our grandmother is the indirect object.
4. 3: Vous - Based on the first sentence, the addressed speaker is plural.
5. 3: Leur - His friends are plural people.
6. 1: Nous - She is giving the CD to us.
7. 2: Lui - My mother is the ind. pronoun.
8. 2: Me - He visits me this Summer.
9. 4: Leur - I give them a present.
<em>Bonjour ! </em>
<em />
<em>- Vous venez manger à la maison ?</em>
<em>- Ah, non. On n'a pas faim, nous ! </em>