第一个Java程序，显示信息如下欢迎你学习JAVA！
Ernest Hemingway is the ___________ author of The Old Man and the Sea.
A. world famous
B. world-famous
My _____________ son just started playing hockey.
A. eleven years old
B. eleven year-old
C. eleven-year-old
D. eleven-years-old
Tom is giving away his dog's three eight-week-old puppies.When did the dog have her puppies?
A. one week ago
B. twenty-four weeks ago
C. three weeks ago
D. eight weeks ago
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