Gandalf knows that Bilbo is in trouble and has gone out of his way to find him. Bilbo also sees that the landscape Gandalf has talked and "seen" has changed.
Her missions were filled with risk because if she was caught she could be forced back into to slavery or punished with death by law.<span />
It can mean eroded, worn out, or crumbling.
(Basically it's saying that the barn is falling apart because it's so old and destroyed from weather.)
Answer:
D, Seven.
Explination
If you count them, its seven
I came back to my office after I saw the rain.
