1. Quel (which restaurant do you like for Sophie’s birthday?, restaurant is singular masculine)
2. À quelle (which hour does Sandra will begin to work?, heure is singular feminine)
3. Quand (when will we arrive to Paris?)
4. Pourquoi (why does Pierre don’t come with us?)
5. Quelles (which cousins do you meet for dinner?, cousines is plural feminine)
6. Comment (how do you go to Italy?)
7. Qui (who is going to the swimming pool with Nathalie?)
8. Quoi (literally : « what are you thinking of? » ; what is in your mind?)
9. Où (Where will you go skiing ?)
10. Combien de (How many books do you buy for your biology lessons/biology class?)