【学习目标】
一、 New words: am/is→was; are→were; do→did; go→went; ;play→played;
practice→practiced; clean→cleaned; visit→visited; study→studied;
二、主要句型：1. What did you do last weekend? I played soccer.
2. What did she do last weekend? She did her homework.
3. What did he do last weekend? He went to the movies.
4. What did they do last weekend? They played tennis.
