La muchacha (le) da las gracias al mesero
English: The girl thanks the waiter.
It’s not (me) because you would be saying that the girl thanks me to the waiter which makes no sense at all.
Feminine:
Soy tu profesora
masculine:
Soy tu profesor
Answer:
(1) is: Can you offer them a menu.
(2) is: Can you cook the fish for the kid.
(3) is: Cook the beans for us?
(4) is: Can you prepare the pillow for the tall costumer?
(5) is: Can you take the plate with turkey to the couple in the corner?
(6) is: Can you make the prawns for me?
(7) is: Can you take the account to the costumers?