【课前准备】：自主学习
1.写一写相同结构短语
1 .last week
2 three days ago
3 yesterday morning
2.写出下列动词的过去式或原形。
stay visited swim study was were
play have practice rain help ask
do go sit see read write find make
用户名
密 码
忘记密码 新用户注册
