Answer:
1. Correct
2. Correct
3. Correct
4. Incorrect
5. Incorrect
6. Correct
7. Incorrect
8. Correct
9. Correct
Explanation: Just tell yourself which sounds weird and good and say the question out loud for example "La Gatos son bonito." When you say the short sentence out loud it sounds funny the correct one would be "Los Gatos son bonito." Good luck in Spanish it's just a matter of practicing then It gets easy, tbh!