题目内容：

1 

1.After the hard work, I felt very t________.

2.He won a g______ medal in the 2012 London Olympics.

 3.I have two f__________ friends. One is Japanese, and the other is American.

 4. We open the window every day to let the fresh a______ in.

 5.The skirts here are all beautiful. I don’t know which one I should c________.

6.The flu s___________ quickly in crowded places.