[by:如果您喜欢 恒星英语学习网 www.hxen.com 请与您的朋友分享] [00:00.00]unit 3 I'm looking for a pen. [00:04.78]I'm looking for a pen. [00:13.64]I want a ballpoint pen. [00:17.61]Do you have any good ones? [00:24.69]What's on sale? [00:27.92]What's your best buy? [00:31.19]Do you have any specials? [00:34.72]I like this! [00:37.75]I'll take it! [00:40.49]How much is it? [01:07.06]I'm looking for a pen. [01:10.92]I want a ballpoint pen. [01:15.28]Do you have any good ones? [01:18.84]What's on sale? [01:22.21]What's your best buy? [01:25.86]Do you have any specials? [01:29.42]I like this! [01:32.58]I'll take it! [01:35.74]How much is it?