如题.What letters are missing?A S ( ) ( ) G H JTher is a word

如题.
What letters are missing?
A S ( ) ( ) G H J
Ther is a word of eight letters.If you take away five letters,only one is left.What's the word?__________
Which person do you always take your hat off to?
The more there is of it,the less you see.What is it?_________
What grows larger the more you take it?__________