The simple predicate is will be ready, because it is explaining what dinner is.
Advantages would be that you don't worry about losing the ones you love because you don't have any. Disadvantages would be you have no one there for support when you might need it.
Answer:
Many try but all fail. Then one day Arthur, who is attending his foster brother Sir Kay, is sent to find a sword to replace his brother's broken one. He comes upon the magical sword Excalibur in the stone and, not knowing the prophecy, drew it out. Thus, he is proclaimed the new king.