Exercise 4. Frank is cooking. Give the useful advice using "you should" or "you
shouldn't" and notes in the box.
Don't leave the beef in the oven for more than one hour.
Cut the onions as thin as possible.
Use fresh herbs and fresh vegetables.
Don't put in too much salt and chilies.
Wait until the water boils before you put the vegetables into it.
Heat the oven before you put the beef in.
Cut the beef into a lot of equal slices.