“AI-operated Robots Write Letters for Humans” from VOA Learning English's Science & Technology: 20 sentences read slowly and clearly.
Write the whole sentence you hear.
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The structures this recording uses most, with the exact words you will hear:
| Structure | In the recording |
|---|---|
| Present perfect continuoushave/has been + -ing — an action that started earlier and is still going on |
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| Relative clauseswho / which + clause — extra information about a person or thing |
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| Superlativesthe -est / the most … — the top or bottom of a group |
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| Present continuousam/is/are + -ing — something happening right now or around now |
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VOA Learning English · Public domain
Text and audio by VOA Learning English (Science & Technology), a work of the U.S. Government in the public domain. Julie Taboh reported on this story for VOA News. John Russell adapted it for VOA Learning English. Audio trimmed and converted to MP3.