Here are the answers to your questions:
Question 1: Which of these adjectives are NOT in feminine/plural form?
- Response: difícil (This is masculine/feminine singular form; the other options are in feminine plural form.)
Question 2: No me gusta levantar pesas. ¡Las pesas son ______!
- Response: difíciles (This is the correct plural form of "difícil," as "pesas" is plural.)
Question 3: Debes beber más agua. El agua es muy ______ para la salud.
- Response: buena (The adjective must match the feminine singular noun "agua.")
Question 4: ¡Los pepinillos no son ______!
- Response: sabrosos (This is the correct masculine plural form, as "pepinillos" is plural.)
Question 5: Tengo hambre, pero no tengo ______ comida.
- Response: mucha (This is the correct feminine singular form that matches the feminine noun "comida.")
Question 6: Ellos son atletas muy _______.
- Response: talentosos (This matches the masculine plural noun "atletas.")
Let me know if you need any more help!