![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
写出下列单词的复数形式。 1. tomato ________________ 2. photo ________________ 3. French fries ________________ 4. family ________________ 5. boy ________________ 6. strawberry ________________ 7. key ________________ 8. watch ________________ 9. radio ________________ 10. book ________________