标准美语发音的13个秘诀 CD 4 Track 13（在线收听）

Exercise 7-3: Tongue Twisters       CD 4 Track 13 

Feeling confident? Good! Try the following tongue twisters and have some fun.

1. The sixth sick Sheik's sixth thick sheep.

2. This is a zither. Is this a zither?

3. I thoughta thought. But the thought Ithought wasn't the thought I thought I thought. If the thoughtI thought I thought had beenthe thought I thought, I wouldn't have thought so much.