Ⅰ、1 - 5 C A B D B
6 - 10 C D B D B
11 - 15 C C A B C

Ⅱ、1 - 5 A B D B C

Ⅲ、1、save
2、stones
3、dropped
4、moonlight
5、pieces
6、birds
7、lost
8、house
9、eat
10、woman

Ⅳ、1、because she wanted to live forever .
2、he drew a magic circle with his magic stick on the ground .
3、she changed herself into a young ,beautiful girl .
4、yes ,she did .
5、she invited her mother to eat sanzang together.