秘诀一：学习音标的时间最短。

秘诀二：使用音标的时间最长。
 
秘诀三：重一点，长一点，短一点。

秘诀四：舌头、牙齿、喉咙一致对外。
 
秘诀五：漂亮的发音源自于真实的情感。

            
1、Why did the white dog bite Ida ?
 
2、That's understandable. 

3、How often do you work out ? 

4、Why is it taking so long ?
 
5、I don't feel well now. 

6、I think my family will be proud of me.