Answer:
1. C | 2. D | 3. B | 4. A
Step-by-step explanation:
The first sentence is "___ eat in the restaurant" and the answer (tú) means "you" and the complete answer will be "You eat in the restaurant".
The second one says "___ need the knife to cut the chicken" and the answer (Yo) means "me" or "I" so it will be "I need the knife to cut the chicken".
The third one is "____, madam, read the menu?" and the answer (Usted) means "you" but with respect to that person, so the answer will be "You, madam, read the menu?"
And the final one means "____ talks with the waitress", and the answer (ella) means "she" so it will be "She talks with the waitress".
Hope it helps you