1.

Julia is ...

   at a restaurant.
   at a supermarket.

2.

What is she going to have? 

   A hamburger and a mixed green salad.
   A hamburger, french fries and a green salad.

3.

What kind of dressing does the waiter offer her?

   Just Italian, and French.
   Vinaigrette, Italian, and French.
   Vinaigrette and French.

4.

Julia prefers ...

   Vinaigrette dressing.
   French dressing.
   Italian dressing.

5.

In this conversation DRESSING means ...

   sauce for food.
   putting on clothes.

6.

Julia will also have ...

   a large soda.
   mineral water.