3 sentences

1. 他在听一盒旧录音带。

   tā zài tīng yī hé jiù lù​yīn​dài.

   He is listening to an old cassette tape.

   Source: Dong Chinese Dictionary

2. 这些录音带很危险。

   zhè​xiē lù​yīn​dài hěn wēi​xiǎn.

   These tapes are dangerous.

   Source: OpenSubtitles

3. 他昨晚收到了我的信和录音带。

   tā zuó​wǎn shōu​dào le wǒ de xìn hé lù​yīn​dài.

   He received my letter and the audio tape last night.

   Source: OpenSubtitles