Ⅰ.根据括号内的提示，写出单词的正确形式
1．The little boy likes drawing and wants to be an ________(art) when he grows up.
2．________(tradition) Chinese medicine is now popular in many western countries.
3．The hunter found two rabbits lying in the snow; one was dead but the other one was still ________(live)．
4．I looked out through the window and ________(observe) Mary walking along the street.
