http://www.csulb.edu/~txie/ccol/02/2-2.htm
Wǒ měiyou jiějiě, yě méiyou, mèimei. [Does not match sound file]

http://www.csulb.edu/~txie/ccol/02/2-4.htm
<<<它>>>有一個弟弟﹑兩個妹妹。
Notes:
Tā jiéhūn le, yǒu tàitai, yǒu <<<ērzi>>>, méi you nǚer

http://www.csulb.edu/~txie/ccol/03/3-1.htm
Tā zài <<<Zhōnggú>>>. [He is in China. 他在中國。]
<<<T1>>> bù gōngzuò, tuìxiū le.

http://www.csulb.edu/~txie/ccol/03/3-2.htm
Tā zài <<<Shànghài>>> gōngzuò

http://www.csulb.edu/~txie/ccol/03/3-4.htm
He is a <<<students>>>.
Tā zài Běijīng gōngzuò, [[[tā]]] shì gōngchégshī.

http://www.csulb.edu/~txie/ccol/04/4-4.htm
The pinyin for 沒有，我沒有哥哥弟弟 has an extra "i" in didi.

http://www.csulb.edu/~txie/ccol/05/5-2.htm
No, I am Pennsylvanian. [No Chinese text]

http://www.csulb.edu/~txie/ccol/06/6-1.htm
我也會說俄語 [No tone mark in the pinyin for E in "Eyu"]
我爸爸媽媽都不會說外語 [Misprint in the pinyin for "waiyu"]

http://www.csulb.edu/~txie/ccol/07/7-3.htm
我覺得中文口語不太難﹐寫字比較難。[Pinyin omits "zhongwen"]

http://www.csulb.edu/~txie/ccol/08/8-3.htm
要是說得慢﹐我聽得懂。[Misprint in the pinyin for "man4"]

http://www.csulb.edu/~txie/ccol/08/8-4.htm
會說一點兒﹐不太好。 [Misprint in the pinyin for "yidianr"]

http://www.csulb.edu/~txie/ccol/08/8-5.htm
'國家 '是 'country' 的意思。 [Pinyin has an extra "jiu"]
請你再說一遍。 [The sound file adds "hao bu hao"]

http://www.csulb.edu/~txie/ccol/09/9-1.htm
是學生﹐在加州大學唸書。 [Sound file has "wo" at the beginning]

http://www.csulb.edu/~txie/ccol/09/9-3.htm
你在這裡唸書嗎 [Sound file has "ba" rather than "ma" at the end]
我是1995年來的。 [Inconsistent use of tone marks in the pinyin]
我念生物化學博士。 [Sound file and pinyin have "xianzai" added]

http://www.csulb.edu/~txie/ccol/09/9-4.htm
可是我們常跟中國做生意。 [Typo in the HTML makes this a different font]

http://www.csulb.edu/~txie/ccol/10/10-1.htm
中午他在學校吃中飯。 [Sound file lacks "ta"]

http://www.csulb.edu/~txie/ccol/10/10-2.htm
上午他在辦公室工作 [Pinyin has "gongsi"]

http://www.csulb.edu/~txie/ccol/10/10-4.htm
John, 現在八點二十五分了。 [Sound file lacks "John", inconsistent tone marks]
現在差五分九點。對不對﹖ [Pinyin says "xiazai"]

http://www.csulb.edu/~txie/ccol/11/11-3.htm
我的生日是四月六號。 [Audio file says "shiliu dao"]

http://www.csulb.edu/~txie/ccol/12/12-1.htm
一年有四個季節：春天、夏天、秋天和冬天。 [Pinyin says "chutian"]

http://www.csulb.edu/~txie/ccol/12/12-4.htm
I <<<didn not>>> live in Beijing. 

http://www.csulb.edu/~txie/ccol/12/12-5.htm
Yes, <<<mojority>>> people have <<<air-conditionner>>> at home. 
But there are also people who only have electric fans. [Typo in HTML]

http://www.csulb.edu/~txie/ccol/13/13-1.htm
蔬菜裡有各種維生素，對身體有好處 [Pinyin says "shengti"]

http://www.csulb.edu/~txie/ccol/13/13-2.htm
Character encodings for the Chinese is messed up on this page.
It seems that some of the notes from the previous part (13-1) have been
duplicated here.
Some of the pinyin in the notes is wrong.
I drink milk <<<very>>> day, because milk is very nutritious, ...

http://www.csulb.edu/~txie/ccol/13/13-4.htm
The chinese characters are messed up here too.
Number 2 reads "zhe haochi"

http://www.csulb.edu/~txie/ccol/13/13-5.htm
The recording for 白飯 cuts off after "bai"
The link "Go to contents" leads nowhere

http://www.csulb.edu/~txie/ccol/14/14-4.htm
橄欖球。我們家裏人都喜歡橄欖球。 [Pinyin says "lan3"]
我是說我喜歡看橄欖球比賽。[Same thing here]

http://www.csulb.edu/~txie/ccol/15/15-1.htm
Chinese character encodings are wrong here as well.

http://www.csulb.edu/~txie/ccol/15/15-3.htm
John, 你的中國話說得越來越好了。 [Pinyin says "nie de ..."]